diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a7686968..c4bef485 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,7 +4,7 @@ on:
   push:
     tags:
       - "v[0-9]+.[0-9]+.[0-9]+"     # Push events to matching v*, i.e. v1.0, v20.15.10
-      - "v[0-9]+.[0-9]+.[0-9]+-rc*" # Push events to matching v*, i.e. v1.0-rc1, v20.15.10-rc5
+      - "v[0-9]+.[0-9]+.[0-9]+-rc*" # Push events to matching v*, i.e. v1.0-rc2, v20.15.10-rc5
       - "v[0-9]+.[0-9]+.[0-9]+-beta*" # Push events to matching v*, i.e. v1.0.0-beta2
 
 jobs:
@@ -37,7 +37,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           test_script: "./scripts/gh-action-test/tutorial_test.sh"
 
   test_attrs_smart_contract:
@@ -57,7 +57,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/attrs_test.sh"
 
@@ -78,7 +78,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/marker_test.sh"
 
@@ -99,7 +99,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/name_test.sh"
 
@@ -120,7 +120,7 @@ jobs:
   #        uses: provenance-io/provenance-testing-action@v1.3.0
   #        with:
   #          github_token: ${{ secrets.GITHUB_TOKEN }}
-  #          provenance_version: "v1.26.0-rc1"
+  #          provenance_version: "v1.26.0-rc2"
   #          smart_contract_action_version: "latest"
   #          test_script: "./scripts/gh-action-test/scope_test.sh"
 
@@ -141,7 +141,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/trigger_test.sh"
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ed102f04..705d0c03 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,7 +35,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           test_script: "./scripts/gh-action-test/tutorial_test.sh"
 
   test_attrs_smart_contract:
@@ -55,7 +55,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/attrs_test.sh"
 
@@ -76,7 +76,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/marker_test.sh"
 
@@ -97,7 +97,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/name_test.sh"
 
@@ -118,7 +118,7 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/scope_test.sh"
 
@@ -139,6 +139,6 @@ jobs:
         uses: provenance-io/provenance-testing-action@v1.3.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          provenance_version: "v1.26.0-rc1"
+          provenance_version: "v1.26.0-rc2"
           smart_contract_action_version: "latest"
           test_script: "./scripts/gh-action-test/trigger_test.sh"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e9733bdb..a5a98507 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 ### [v2.7.0](https://github.com/provenance-io/provwasm/tree/v2.7.0)
 
+* Update to Provenance v1.26.0-rc2 [[#169]]([#167](https://github.com/provenance-io/provwasm/pull/169))
 * Update to Provenance v1.26.0-rc1 [[#167]]([#167](https://github.com/provenance-io/provwasm/pull/167))
 
 ### [v2.6.0](https://github.com/provenance-io/provwasm/tree/v2.6.0)
diff --git a/RELEASE_CHANGELOG.md b/RELEASE_CHANGELOG.md
index a6255472..b0787dc6 100644
--- a/RELEASE_CHANGELOG.md
+++ b/RELEASE_CHANGELOG.md
@@ -1,3 +1,4 @@
 ### [v2.7.0](https://github.com/provenance-io/provwasm/tree/v2.7.0)
 
+* Update to Provenance v1.26.0-rc2 [[#169]]([#167](https://github.com/provenance-io/provwasm/pull/169))
 * Update to Provenance v1.26.0-rc1 [[#167]]([#167](https://github.com/provenance-io/provwasm/pull/167))
diff --git a/dependencies/provenance b/dependencies/provenance
index 5e30dfaa..4cd2865e 160000
--- a/dependencies/provenance
+++ b/dependencies/provenance
@@ -1 +1 @@
-Subproject commit 5e30dfaa01173fb1e42ae8ab1bd96587238da7e9
+Subproject commit 4cd2865e8a4e38bf967bf5e88e5f1177c7ae7a40
diff --git a/docs/tutorial/10-instantiate.md b/docs/tutorial/10-instantiate.md
index 062bcd94..80329bab 100644
--- a/docs/tutorial/10-instantiate.md
+++ b/docs/tutorial/10-instantiate.md
@@ -42,7 +42,7 @@ provenanced tx wasm instantiate 1 \
     --chain-id testing \
     --gas auto \
     --gas-prices="1nhash" \
-	--gas-adjustment=1 \
+	  --gas-adjustment=1 \
     --yes \
     --testnet \
 	--output json | jq
diff --git a/packages/proto-build/src/main.rs b/packages/proto-build/src/main.rs
index 27658b2d..920439a9 100644
--- a/packages/proto-build/src/main.rs
+++ b/packages/proto-build/src/main.rs
@@ -10,7 +10,7 @@ use proto_build::{
 };
 
 /// The provenance commit or tag to be cloned and used to build the proto files
-const PROVENANCE_REV: &str = "v1.26.0-rc1";
+const PROVENANCE_REV: &str = "v1.26.0-rc2";
 
 // All paths must end with a / and either be absolute or include a ./ to reference the current
 // working directory.
diff --git a/packages/provwasm-std/src/types/PROVENANCE_COMMIT b/packages/provwasm-std/src/types/PROVENANCE_COMMIT
index c9d18f08..9296f67f 100644
--- a/packages/provwasm-std/src/types/PROVENANCE_COMMIT
+++ b/packages/provwasm-std/src/types/PROVENANCE_COMMIT
@@ -1 +1 @@
-v1.26.0-rc1
\ No newline at end of file
+v1.26.0-rc2
\ No newline at end of file
diff --git a/packages/provwasm-std/src/types/provenance/ledger/v1.rs b/packages/provwasm-std/src/types/provenance/ledger/v1.rs
index 14f0fea9..5549cefe 100644
--- a/packages/provwasm-std/src/types/provenance/ledger/v1.rs
+++ b/packages/provwasm-std/src/types/provenance/ledger/v1.rs
@@ -49,6 +49,23 @@ pub struct EventLedgerEntryAdded {
     #[prost(string, tag = "3")]
     pub correlation_id: ::prost::alloc::string::String,
 }
+/// EventLedgerEntryUpdated is emitted when an existing ledger entry is updated.
+/// This event is triggered by the UpdateBalances message handler when a ledger
+/// entry is successfully updated.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provenance.ledger.v1.EventLedgerEntryUpdated")]
+pub struct EventLedgerEntryUpdated {
+    /// asset class of the ledger.
+    #[prost(string, tag = "1")]
+    pub asset_class_id: ::prost::alloc::string::String,
+    /// nft id of the ledger (scope id or nft id).
+    #[prost(string, tag = "2")]
+    pub nft_id: ::prost::alloc::string::String,
+    /// correlation id of the ledger entry.
+    #[prost(string, tag = "3")]
+    pub correlation_id: ::prost::alloc::string::String,
+}
 /// EventFundTransferWithSettlement is emitted when funds are transferred with
 /// settlement instructions. This event is triggered by the
 /// MsgTransferFundsWithSettlement message handler when a fund transfer with
@@ -81,6 +98,43 @@ pub struct EventLedgerDestroyed {
     #[prost(string, tag = "2")]
     pub nft_id: ::prost::alloc::string::String,
 }
+/// EventLedgerClassCreated is emitted when a ledger class is created.
+/// This event is triggered by the MsgCreateLedgerClassRequest message handler
+/// when a new ledger class is created.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provenance.ledger.v1.EventLedgerClassCreated")]
+pub struct EventLedgerClassCreated {
+    /// The id of the ledger class that was created.
+    #[prost(string, tag = "1")]
+    pub ledger_class_id: ::prost::alloc::string::String,
+    /// The id of the asset class that the ledger class was created for.
+    #[prost(string, tag = "2")]
+    pub asset_class_id: ::prost::alloc::string::String,
+    /// The denom that this ledger class uses.
+    #[prost(string, tag = "3")]
+    pub denom: ::prost::alloc::string::String,
+}
+/// EventLedgerClassTypeCreated is emitted when any type for a ledger class is created.
+/// This event is triggered by the MsgAddLedgerClassStatusTypeRequest, MsgAddLedgerClassEntryTypeRequest,
+/// and MsgAddLedgerClassBucketTypeRequest message handlers when they create their respective types.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provenance.ledger.v1.EventLedgerClassTypeCreated")]
+pub struct EventLedgerClassTypeCreated {
+    /// The id of the ledger class that the type was created.
+    #[prost(string, tag = "1")]
+    pub ledger_class_id: ::prost::alloc::string::String,
+    /// The specific type of thing that was created.
+    #[prost(enumeration = "ClassTypeCreated", tag = "2")]
+    pub type_created: i32,
+    /// The id of the created type.
+    #[prost(string, tag = "3")]
+    pub id: ::prost::alloc::string::String,
+    /// The code of the created type.
+    #[prost(string, tag = "4")]
+    pub code: ::prost::alloc::string::String,
+}
 /// UpdateType is the type of data update that caused the EventLedgerUpdated event to be emitted.
 /// This is used to identify the specific update that caused the event to be emitted.
 #[derive(
@@ -134,6 +188,55 @@ impl UpdateType {
         }
     }
 }
+/// ClassTypeCreated is the type of data that caused the EventLedgerClassTypeCreated event to be emitted.
+/// This is used to identify the specific type that was just created.
+#[derive(
+    Clone,
+    Copy,
+    Debug,
+    PartialEq,
+    Eq,
+    Hash,
+    PartialOrd,
+    Ord,
+    ::prost::Enumeration,
+    ::schemars::JsonSchema,
+)]
+#[repr(i32)]
+pub enum ClassTypeCreated {
+    /// CLASS_TYPE_CREATED_UNSPECIFIED indicates that the class type is unspecified.
+    Unspecified = 0,
+    /// CLASS_TYPE_CREATED_STATUS is for when a LedgerClassStatusType is created.
+    Status = 1,
+    /// CLASS_TYPE_CREATED_ENTRY is for when a LedgerClassEntryType is created.
+    Entry = 2,
+    /// CLASS_TYPE_CREATED_BUCKET is for when a LedgerClassBucketType is created.
+    Bucket = 3,
+}
+impl ClassTypeCreated {
+    /// String value of the enum field names used in the ProtoBuf definition.
+    ///
+    /// The values are not transformed in any way and thus are considered stable
+    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
+    pub fn as_str_name(&self) -> &'static str {
+        match self {
+            ClassTypeCreated::Unspecified => "CLASS_TYPE_CREATED_UNSPECIFIED",
+            ClassTypeCreated::Status => "CLASS_TYPE_CREATED_STATUS",
+            ClassTypeCreated::Entry => "CLASS_TYPE_CREATED_ENTRY",
+            ClassTypeCreated::Bucket => "CLASS_TYPE_CREATED_BUCKET",
+        }
+    }
+    /// Creates an enum from field names used in the ProtoBuf definition.
+    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
+        match value {
+            "CLASS_TYPE_CREATED_UNSPECIFIED" => Some(Self::Unspecified),
+            "CLASS_TYPE_CREATED_STATUS" => Some(Self::Status),
+            "CLASS_TYPE_CREATED_ENTRY" => Some(Self::Entry),
+            "CLASS_TYPE_CREATED_BUCKET" => Some(Self::Bucket),
+            _ => None,
+        }
+    }
+}
 /// LedgerClass contains the configuration for a ledger related to a particular class of asset. The asset class
 /// is defined by the either a scope spec `x/metadata`, or nft class `x/nft`. Ultimately, the configuration will
 /// assist in verifying the types that are associated with particular ledger entries.
@@ -352,6 +455,13 @@ pub struct LedgerAndEntries {
 #[repr(i32)]
 pub enum DayCountConvention {
     /// Unspecified day count convention.
+    ///
+    /// This value is never a field's actual value, it just indicates that, for a given request, the day count convention
+    /// is not being provided. E.g. if this value is provided in a MsgUpdateInterestRateRequest, it indicates that the day
+    /// count convention is not being provided, and so should not be updated.
+    ///
+    /// DAY_COUNT_CONVENTION_UNSPECIFIED indicates that the day count convention is not being provided.
+    /// DAY_COUNT_CONVENTION_NOT_DEFINED indicates that the day count convention of the entry does not have a value.
     Unspecified = 0,
     /// Actual/365: Uses the actual number of days in the period with a fixed denominator of 365
     /// (or sometimes 365.25 to adjust for leap years).
@@ -367,6 +477,16 @@ pub enum DayCountConvention {
     Days365 = 5,
     /// 360/360: Always uses 360 days in both the numerator and denominator.
     Days360 = 6,
+    /// Not Defined: The day count convention is not defined.
+    ///
+    /// This value indicates that the day count convention should be on record as not having a value. It could mean that
+    /// the day count convention is not one of the other values in this enum, or it could mean that it doesn't make sense
+    /// for the entry to have a day count convention. It could also just mean that the day count convention has not yet
+    /// been defined for the entry.
+    ///
+    /// DAY_COUNT_CONVENTION_UNSPECIFIED indicates that the day count convention is not being provided.
+    /// DAY_COUNT_CONVENTION_NOT_DEFINED indicates that the day count convention of the entry does not have a value.
+    NotDefined = 7,
 }
 impl DayCountConvention {
     /// String value of the enum field names used in the ProtoBuf definition.
@@ -382,6 +502,7 @@ impl DayCountConvention {
             DayCountConvention::ActualActual => "DAY_COUNT_CONVENTION_ACTUAL_ACTUAL",
             DayCountConvention::Days365 => "DAY_COUNT_CONVENTION_DAYS_365",
             DayCountConvention::Days360 => "DAY_COUNT_CONVENTION_DAYS_360",
+            DayCountConvention::NotDefined => "DAY_COUNT_CONVENTION_NOT_DEFINED",
         }
     }
     /// Creates an enum from field names used in the ProtoBuf definition.
@@ -394,6 +515,7 @@ impl DayCountConvention {
             "DAY_COUNT_CONVENTION_ACTUAL_ACTUAL" => Some(Self::ActualActual),
             "DAY_COUNT_CONVENTION_DAYS_365" => Some(Self::Days365),
             "DAY_COUNT_CONVENTION_DAYS_360" => Some(Self::Days360),
+            "DAY_COUNT_CONVENTION_NOT_DEFINED" => Some(Self::NotDefined),
             _ => None,
         }
     }
@@ -414,6 +536,13 @@ impl DayCountConvention {
 #[repr(i32)]
 pub enum InterestAccrualMethod {
     /// Unspecified interest accrual method.
+    ///
+    /// This value is never a field's actual value, it just indicates that, for a given request, the interest accrual
+    /// method is not being provided. E.g. if this value is provided in a MsgUpdateInterestRateRequest, it indicates that
+    /// the interest accrual method is not being provided, and so should not be updated.
+    ///
+    /// INTEREST_ACCRUAL_METHOD_UNSPECIFIED indicates that the interest accrual method is not being provided.
+    /// INTEREST_ACCRUAL_METHOD_NOT_DEFINED indicates that the interest accrual method of the entry does not have a value.
     Unspecified = 0,
     /// Simple Interest: Calculated only on the principal amount.
     SimpleInterest = 1,
@@ -429,6 +558,16 @@ pub enum InterestAccrualMethod {
     AnnualCompounding = 6,
     /// Continuous Compounding: The theoretical limit of compounding frequency where interest is compounded continuously.
     ContinuousCompounding = 7,
+    /// Not Defined: The interest accrual method is not defined.
+    ///
+    /// This value indicates that the interest accrual method should be on record as not having a value. It could mean that
+    /// the interest accrual method is not one of the other values in this enum, or it could mean that it doesn't make
+    /// sense for the entry to have an interest accrual method. It could also just mean that the interest accrual method
+    /// has not yet been defined for the entry.
+    ///
+    /// INTEREST_ACCRUAL_METHOD_UNSPECIFIED indicates that the interest accrual method is not being provided.
+    /// INTEREST_ACCRUAL_METHOD_NOT_DEFINED indicates that the interest accrual method of the entry does not have a value.
+    NotDefined = 8,
 }
 impl InterestAccrualMethod {
     /// String value of the enum field names used in the ProtoBuf definition.
@@ -453,6 +592,7 @@ impl InterestAccrualMethod {
             InterestAccrualMethod::ContinuousCompounding => {
                 "INTEREST_ACCRUAL_METHOD_CONTINUOUS_COMPOUNDING"
             }
+            InterestAccrualMethod::NotDefined => "INTEREST_ACCRUAL_METHOD_NOT_DEFINED",
         }
     }
     /// Creates an enum from field names used in the ProtoBuf definition.
@@ -466,6 +606,7 @@ impl InterestAccrualMethod {
             "INTEREST_ACCRUAL_METHOD_QUARTERLY_COMPOUNDING" => Some(Self::QuarterlyCompounding),
             "INTEREST_ACCRUAL_METHOD_ANNUAL_COMPOUNDING" => Some(Self::AnnualCompounding),
             "INTEREST_ACCRUAL_METHOD_CONTINUOUS_COMPOUNDING" => Some(Self::ContinuousCompounding),
+            "INTEREST_ACCRUAL_METHOD_NOT_DEFINED" => Some(Self::NotDefined),
             _ => None,
         }
     }
@@ -486,6 +627,13 @@ impl InterestAccrualMethod {
 #[repr(i32)]
 pub enum PaymentFrequency {
     /// Unspecified payment frequency.
+    ///
+    /// This value is never a field's actual value, it just indicates that, for a given request, the payment frequency is
+    /// not being provided. E.g. if this value is provided in a MsgUpdatePaymentRequest, it indicates that the payment
+    /// frequency is not being provided, and so should not be updated.
+    ///
+    /// PAYMENT_FREQUENCY_UNSPECIFIED indicates that the payment frequency is not being provided.
+    /// PAYMENT_FREQUENCY_NOT_DEFINED indicates that the payment frequency of the entry does not have a value.
     Unspecified = 0,
     /// Daily payments.
     Daily = 1,
@@ -497,6 +645,16 @@ pub enum PaymentFrequency {
     Quarterly = 4,
     /// Annual payments.
     Annually = 5,
+    /// Not Defined: The payment frequency is not defined.
+    ///
+    /// This value indicates that the payment frequency should be on record as not having a value. It could mean that the
+    /// payment frequency is not one of the other values in this enum, or it could mean that it doesn't make sense for the
+    /// entry to have a payment frequency. It could also just mean that the payment frequency has not yet been defined for
+    /// the entry.
+    ///
+    /// PAYMENT_FREQUENCY_UNSPECIFIED indicates that the payment frequency is not being provided.
+    /// PAYMENT_FREQUENCY_NOT_DEFINED indicates that the payment frequency of the entry does not have a value.
+    NotDefined = 6,
 }
 impl PaymentFrequency {
     /// String value of the enum field names used in the ProtoBuf definition.
@@ -511,6 +669,7 @@ impl PaymentFrequency {
             PaymentFrequency::Monthly => "PAYMENT_FREQUENCY_MONTHLY",
             PaymentFrequency::Quarterly => "PAYMENT_FREQUENCY_QUARTERLY",
             PaymentFrequency::Annually => "PAYMENT_FREQUENCY_ANNUALLY",
+            PaymentFrequency::NotDefined => "PAYMENT_FREQUENCY_NOT_DEFINED",
         }
     }
     /// Creates an enum from field names used in the ProtoBuf definition.
@@ -522,6 +681,7 @@ impl PaymentFrequency {
             "PAYMENT_FREQUENCY_MONTHLY" => Some(Self::Monthly),
             "PAYMENT_FREQUENCY_QUARTERLY" => Some(Self::Quarterly),
             "PAYMENT_FREQUENCY_ANNUALLY" => Some(Self::Annually),
+            "PAYMENT_FREQUENCY_NOT_DEFINED" => Some(Self::NotDefined),
             _ => None,
         }
     }
@@ -1040,12 +1200,18 @@ pub struct MsgUpdateInterestRateRequest {
     #[prost(string, tag = "2")]
     pub signer: ::prost::alloc::string::String,
     /// The new interest rate of the ledger.
+    /// This field is NOT optional. If not provided (or provided as zero),
+    /// then the ledger's interest_rate field will be updated to be zero.
     #[prost(int32, tag = "3")]
     pub interest_rate: i32,
     /// The new interest day count convention of the ledger.
+    /// This field is optional. If not provided (or set to unspecified),
+    /// the interest day count convention will not be updated.
     #[prost(enumeration = "DayCountConvention", tag = "4")]
     pub interest_day_count_convention: i32,
     /// The new interest accrual method of the ledger.
+    /// This field is optional. If not provided (or set to unspecified),
+    /// the interest accrual method will not be updated.
     #[prost(enumeration = "InterestAccrualMethod", tag = "5")]
     pub interest_accrual_method: i32,
 }
@@ -1067,12 +1233,16 @@ pub struct MsgUpdatePaymentRequest {
     pub signer: ::prost::alloc::string::String,
     /// The new next payment amount of the ledger.
     /// The units of this field are defined by the denom field in this ledger's class.
+    /// This field is NOT optional. If you don't provide a value (or provide it as zero),
+    /// then the ledger's next_pmt_amt field will be updated to be zero.
     #[prost(string, tag = "3")]
     pub next_pmt_amt: ::prost::alloc::string::String,
     /// The new next payment date in days since epoch.
+    /// This field is not optional and cannot be zero.
     #[prost(int32, tag = "4")]
     pub next_pmt_date: i32,
     /// The new payment frequency of the ledger.
+    /// This field is optional. If set to unspecified, it will be ignored and the payment_frequency will not be changed.
     #[prost(enumeration = "PaymentFrequency", tag = "5")]
     pub payment_frequency: i32,
 }
diff --git a/packages/provwasm-std/src/types/provenance/metadata/v1/mod.rs b/packages/provwasm-std/src/types/provenance/metadata/v1/mod.rs
index 85aa2318..4f3978bb 100644
--- a/packages/provwasm-std/src/types/provenance/metadata/v1/mod.rs
+++ b/packages/provwasm-std/src/types/provenance/metadata/v1/mod.rs
@@ -2565,8 +2565,7 @@ pub struct MsgSetAccountDataResponse {}
 /// Deprecated: This message is no longer part of any endpoint and cannot be used for anything.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
-#[proto_message(type_url = "/provenance.metadata.v1.MsgWriteP8eContractSpecRequest")]
-#[deprecated]
+#[proto_message(type_url = "/provenance.metadata.v1.")]
 pub struct MsgWriteP8eContractSpecRequest {
     #[prost(message, optional, tag = "1")]
     pub contractspec: ::core::option::Option<p8e::ContractSpec>,
@@ -2577,8 +2576,7 @@ pub struct MsgWriteP8eContractSpecRequest {
 /// Deprecated: This message is no longer part of any endpoint and cannot be used for anything.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
-#[proto_message(type_url = "/provenance.metadata.v1.MsgWriteP8eContractSpecResponse")]
-#[deprecated]
+#[proto_message(type_url = "/provenance.metadata.v1.")]
 pub struct MsgWriteP8eContractSpecResponse {
     #[prost(message, optional, tag = "1")]
     pub contract_spec_id_info: ::core::option::Option<ContractSpecIdInfo>,
@@ -2589,8 +2587,7 @@ pub struct MsgWriteP8eContractSpecResponse {
 /// Deprecated: This message is no longer part of any endpoint and cannot be used for anything.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
-#[proto_message(type_url = "/provenance.metadata.v1.MsgP8eMemorializeContractRequest")]
-#[deprecated]
+#[proto_message(type_url = "/provenance.metadata.v1.")]
 pub struct MsgP8eMemorializeContractRequest {
     #[prost(string, tag = "1")]
     pub scope_id: ::prost::alloc::string::String,
@@ -2611,8 +2608,7 @@ pub struct MsgP8eMemorializeContractRequest {
 /// Deprecated: This message is no longer part of any endpoint and cannot be used for anything.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
-#[proto_message(type_url = "/provenance.metadata.v1.MsgP8eMemorializeContractResponse")]
-#[deprecated]
+#[proto_message(type_url = "/provenance.metadata.v1.")]
 pub struct MsgP8eMemorializeContractResponse {
     #[prost(message, optional, tag = "1")]
     pub scope_id_info: ::core::option::Option<ScopeIdInfo>,
diff --git a/packages/provwasm-std/src/types/provenance/msgfees/v1.rs b/packages/provwasm-std/src/types/provenance/msgfees/v1.rs
index 2b2f64e9..fb02562e 100644
--- a/packages/provwasm-std/src/types/provenance/msgfees/v1.rs
+++ b/packages/provwasm-std/src/types/provenance/msgfees/v1.rs
@@ -1,4 +1,98 @@
 use provwasm_proc_macro::CosmwasmExt;
+/// Params defines the set of params for the msgfees module.
+/// Deprecated: The msgfees module is deprecated in favor of flatfees.
+/// This type is no longer used.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provenance.msgfees.v1.Params")]
+#[deprecated]
+pub struct Params {
+    /// floor_gas_price is the constant used to calculate fees when gas fees shares denom with msg fee.
+    ///
+    /// Conversions:
+    ///    - x nhash/usd-mil = 1,000,000/x usd/hash
+    ///    - y usd/hash = 1,000,000/y nhash/usd-mil
+    ///
+    /// Examples:
+    ///    - 40,000,000 nhash/usd-mil = 1,000,000/40,000,000 usd/hash = $0.025/hash,
+    ///    - $0.040/hash = 1,000,000/0.040 nhash/usd-mil = 25,000,000 nhash/usd-mil
+    #[prost(message, optional, tag = "2")]
+    pub floor_gas_price: ::core::option::Option<super::super::super::cosmos::base::v1beta1::Coin>,
+    /// nhash_per_usd_mil is the total nhash per usd mil for converting usd to nhash.
+    #[prost(uint64, tag = "3")]
+    pub nhash_per_usd_mil: u64,
+    /// conversion_fee_denom is the denom usd is converted to.
+    #[prost(string, tag = "4")]
+    pub conversion_fee_denom: ::prost::alloc::string::String,
+}
+/// MsgFee is the core of what gets stored on the blockchain to define a msg-based fee.
+/// Deprecated: The msgfees module is deprecated in favor of flatfees.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provenance.msgfees.v1.MsgFee")]
+#[deprecated]
+pub struct MsgFee {
+    /// msg_type_url is the type-url of the message with the added fee, e.g. "/cosmos.bank.v1beta1.MsgSend".
+    #[prost(string, tag = "1")]
+    pub msg_type_url: ::prost::alloc::string::String,
+    /// additional_fee is the extra fee that is required for the given message type (can be in any denom).
+    #[prost(message, optional, tag = "2")]
+    pub additional_fee: ::core::option::Option<super::super::super::cosmos::base::v1beta1::Coin>,
+    /// recipient is an option address that will receive a portion of the additional fee.
+    /// There can only be a recipient if the recipient_basis_points is not zero.
+    #[prost(string, tag = "3")]
+    pub recipient: ::prost::alloc::string::String,
+    /// recipient_basis_points is an optional portion of the additional fee to be sent to the recipient.
+    /// Must be between 0 and 10,000 (inclusive).
+    ///
+    /// If there is a recipient, this must not be zero. If there is not a recipient, this must be zero.
+    ///
+    /// The recipient will receive additional_fee * recipient_basis_points / 10,000.
+    /// The fee collector will receive the rest, i.e. additional_fee * (10,000 - recipient_basis_points) / 10,000.
+    #[prost(uint32, tag = "4")]
+    pub recipient_basis_points: u32,
+}
+/// EventMsgFee final event property for msg fee on type
+/// Deprecated: The msgfees module is deprecated in favor of flatfees.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provenance.msgfees.v1.EventMsgFee")]
+#[deprecated]
+pub struct EventMsgFee {
+    #[prost(string, tag = "1")]
+    pub msg_type: ::prost::alloc::string::String,
+    #[prost(string, tag = "2")]
+    pub count: ::prost::alloc::string::String,
+    #[prost(string, tag = "3")]
+    pub total: ::prost::alloc::string::String,
+    #[prost(string, tag = "4")]
+    pub recipient: ::prost::alloc::string::String,
+}
+/// EventMsgFees event emitted with summary of msg fees
+/// Deprecated: The msgfees module is deprecated in favor of flatfees.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provenance.msgfees.v1.EventMsgFees")]
+#[deprecated]
+pub struct EventMsgFees {
+    #[prost(message, repeated, tag = "1")]
+    pub msg_fees: ::prost::alloc::vec::Vec<EventMsgFee>,
+}
+/// GenesisState contains a set of msg fees, persisted from the store
+/// Deprecated: The msgfees module is deprecated in favor of the flatfees module.
+/// The msgfees module no longer stores any data, so there's no need for a genesis state.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provenance.msgfees.v1.GenesisState")]
+#[deprecated]
+pub struct GenesisState {
+    /// params defines all the parameters of the module.
+    #[prost(message, optional, tag = "1")]
+    pub params: ::core::option::Option<Params>,
+    /// msg_based_fees are the additional fees on specific tx msgs
+    #[prost(message, repeated, tag = "2")]
+    pub msg_fees: ::prost::alloc::vec::Vec<MsgFee>,
+}
 /// AddMsgFeeProposal defines a governance proposal to add additional msg based fee
 /// Deprecated: This message is no longer usable. It is only still included for
 /// backwards compatibility (e.g. looking up old governance proposals).
diff --git a/packages/provwasm-std/src/types/provlabs/vault/v1.rs b/packages/provwasm-std/src/types/provlabs/vault/v1.rs
index 303e55cf..3debc81f 100644
--- a/packages/provwasm-std/src/types/provlabs/vault/v1.rs
+++ b/packages/provwasm-std/src/types/provlabs/vault/v1.rs
@@ -62,6 +62,54 @@ pub struct EventVaultCreated {
     #[prost(string, tag = "4")]
     pub underlying_asset: ::prost::alloc::string::String,
 }
+/// EventDenomUnit describes a single denom unit entry that is included in the
+/// share denom metadata emitted with EventSetShareDenomMetadata.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provlabs.vault.v1.EventDenomUnit")]
+pub struct EventDenomUnit {
+    /// denom is the unit name (e.g., "nushare", "ushare").
+    #[prost(string, tag = "1")]
+    pub denom: ::prost::alloc::string::String,
+    /// exponent is the base-10 exponent for this unit relative to the base denom.
+    /// For example, exponent=6 means 1 display unit = 10^6 base units.
+    #[prost(string, tag = "2")]
+    pub exponent: ::prost::alloc::string::String,
+    /// aliases lists optional alternative names for this unit. May be empty.
+    #[prost(string, repeated, tag = "3")]
+    pub aliases: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+/// EventSetShareDenomMetadata is emitted when denom metadata is set for a vault’s
+/// share denom (via MsgSetShareDenomMetadata).
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provlabs.vault.v1.EventSetShareDenomMetadata")]
+pub struct EventSetShareDenomMetadata {
+    /// vault_address is the bech32 address of the vault.
+    #[prost(string, tag = "1")]
+    pub vault_address: ::prost::alloc::string::String,
+    /// metadata_base is the base denomination (e.g., "nushare").
+    #[prost(string, tag = "2")]
+    pub metadata_base: ::prost::alloc::string::String,
+    /// metadata_description is a human-readable description of the share denom.
+    #[prost(string, tag = "3")]
+    pub metadata_description: ::prost::alloc::string::String,
+    /// metadata_display is the display denomination (e.g., "ushare" or "SHARE").
+    #[prost(string, tag = "4")]
+    pub metadata_display: ::prost::alloc::string::String,
+    /// metadata_denom_units lists all denom units and their exponents.
+    #[prost(message, repeated, tag = "5")]
+    pub metadata_denom_units: ::prost::alloc::vec::Vec<EventDenomUnit>,
+    /// administrator is the bech32 address of the signer that set the metadata.
+    #[prost(string, tag = "6")]
+    pub administrator: ::prost::alloc::string::String,
+    /// metadata_name is the descriptive name for the share denom.
+    #[prost(string, tag = "7")]
+    pub metadata_name: ::prost::alloc::string::String,
+    /// metadata_symbol is the short ticker-style symbol (optional).
+    #[prost(string, tag = "8")]
+    pub metadata_symbol: ::prost::alloc::string::String,
+}
 /// EventSwapIn is an event emitted when assets are swapped in for vault shares.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
@@ -850,6 +898,27 @@ pub struct MsgCreateVaultResponse {
     #[prost(string, tag = "1")]
     pub vault_address: ::prost::alloc::string::String,
 }
+/// MsgSetShareDenomMetadataRequest defines the request to set bank denom metadata for a vault's share denom.
+/// The target denom is derived from the vault identified by vault_address.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provlabs.vault.v1.MsgSetShareDenomMetadataRequest")]
+pub struct MsgSetShareDenomMetadataRequest {
+    /// metadata is the bank module Metadata to assign to the vault's share denom.
+    #[prost(message, optional, tag = "1")]
+    pub metadata: ::core::option::Option<super::super::super::cosmos::bank::v1beta1::Metadata>,
+    /// admin is the address of the vault administrator authorizing this update.
+    #[prost(string, tag = "2")]
+    pub admin: ::prost::alloc::string::String,
+    /// vault_address is the bech32 address of the vault whose share denom metadata is being set.
+    #[prost(string, tag = "3")]
+    pub vault_address: ::prost::alloc::string::String,
+}
+/// MsgSetShareDenomMetadataResponse defines the response for setting a vault's share denom metadata.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, Copy, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
+#[proto_message(type_url = "/provlabs.vault.v1.MsgSetShareDenomMetadataResponse")]
+pub struct MsgSetShareDenomMetadataResponse {}
 /// MsgSwapInRequest is the request message for depositing underlying assets into a vault in exchange for shares.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, Eq, ::prost::Message, ::schemars::JsonSchema, CosmwasmExt)]
diff --git a/scripts/update-and-rebuild.sh b/scripts/update-and-rebuild.sh
index 80684f6c..7d780c6b 100755
--- a/scripts/update-and-rebuild.sh
+++ b/scripts/update-and-rebuild.sh
@@ -3,7 +3,7 @@
 set -euxo pipefail
 
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
-LATEST_PROVENANCE_VERSION="v1.26.0-rc1"
+LATEST_PROVENANCE_VERSION="v1.26.0-rc2"
 PROVENANCE_REV=${1:-$LATEST_PROVENANCE_VERSION}
 COMMIT=${2:-"skip"}