diff --git a/rust-src/concordium_base/CHANGELOG.md b/rust-src/concordium_base/CHANGELOG.md
index 826a89902..c31f191eb 100644
--- a/rust-src/concordium_base/CHANGELOG.md
+++ b/rust-src/concordium_base/CHANGELOG.md
@@ -9,6 +9,7 @@
   together with a request anchor is `verify_presentation_with_request_anchor`.
 - Serialization derive macros `common::Serial`, `common::Deserial` and `common::Serialize` now supports
   deriving serialization on enums. 
+- Derived `serde::Serialize` and `serde::Deserialize` on `cbor::value::Value`.
 
 ## 9.0.0 (2025-10-29)
 
diff --git a/rust-src/concordium_base/src/common/cbor/primitives.rs b/rust-src/concordium_base/src/common/cbor/primitives.rs
index 6eb4b15ef..ed2bdbe44 100644
--- a/rust-src/concordium_base/src/common/cbor/primitives.rs
+++ b/rust-src/concordium_base/src/common/cbor/primitives.rs
@@ -37,7 +37,7 @@ impl CborSerialize for [u8] {
 ///
 /// Notice that this serializes different from a plain `Vec<u8>` which
 /// serializes to an array data item.
-#[derive(Debug, Clone, Eq, PartialEq, Hash)]
+#[derive(Debug, Clone, Eq, PartialEq, Hash, serde::Serialize, serde::Deserialize)]
 pub struct Bytes(pub Vec<u8>);
 
 impl AsRef<[u8]> for Bytes {
diff --git a/rust-src/concordium_base/src/common/cbor/value.rs b/rust-src/concordium_base/src/common/cbor/value.rs
index ed476e33d..cf2f66ca3 100644
--- a/rust-src/concordium_base/src/common/cbor/value.rs
+++ b/rust-src/concordium_base/src/common/cbor/value.rs
@@ -7,7 +7,7 @@ use ciborium_ll::simple;
 
 /// Generic CBOR data item that can represent
 /// any data item type.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
 pub enum Value {
     /// Positive integer (major type 0)
     Positive(u64),