diff --git a/Cargo.lock b/Cargo.lock
index b97b30d26cec3..86e81b97c8793 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10239,16 +10239,16 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.145"
+version = "1.0.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
 dependencies = [
  "indexmap 2.12.0",
  "itoa",
  "memchr",
- "ryu",
  "serde",
  "serde_core",
+ "zmij",
 ]
 
 [[package]]
@@ -10333,9 +10333,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.14.0"
+version = "3.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2c45cd61fefa9db6f254525d46e392b852e0e61d9a1fd36e5bd183450a556d5"
+checksum = "4fa237f2807440d238e0364a218270b98f767a00d3dada77b1c53ae88940e2e7"
 dependencies = [
  "base64 0.22.1",
  "chrono",
@@ -10344,8 +10344,7 @@ dependencies = [
  "indexmap 2.12.0",
  "schemars 0.9.0",
  "schemars 1.0.3",
- "serde",
- "serde_derive",
+ "serde_core",
  "serde_json",
  "serde_with_macros",
  "time",
@@ -10353,11 +10352,11 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.14.0"
+version = "3.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de90945e6565ce0d9a25098082ed4ee4002e047cb59892c318d66821e14bb30f"
+checksum = "52a8e3ca0ca629121f70ab50f95249e5a6f925cc0f6ffe8256c45b728875706c"
 dependencies = [
- "darling 0.20.11",
+ "darling 0.21.3",
  "proc-macro2 1.0.101",
  "quote 1.0.40",
  "syn 2.0.106",
@@ -14341,6 +14340,12 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "626bd9fa9734751fc50d6060752170984d7053f5a39061f524cda68023d4db8a"
 
+[[package]]
+name = "zmij"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd8f3f50b848df28f887acb68e41201b5aea6bc8a8dacc00fb40635ff9a72fea"
+
 [[package]]
 name = "zstd"
 version = "0.12.4"
diff --git a/Cargo.toml b/Cargo.toml
index be3e047bdf894..736c7904bd1b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -185,7 +185,7 @@ reqwest = { version = "0.11.26", features = ["json"] }
 rust_decimal = { version = "1.37.0", default-features = false, features = ["std"] }
 semver = { version = "1.0.26", default-features = false, features = ["serde", "std"] }
 serde = { version = "1.0.219", default-features = false, features = ["alloc", "derive", "rc"] }
-serde_json = { version = "1.0.143", default-features = false, features = ["raw_value", "std"] }
+serde_json = { version = "1.0.149", default-features = false, features = ["raw_value", "std"] }
 serde_yaml = { version = "0.9.34", default-features = false }
 snafu = { version = "0.8.9", default-features = false, features = ["futures", "std"] }
 socket2 = { version = "0.5.10", default-features = false }
diff --git a/lib/codecs/Cargo.toml b/lib/codecs/Cargo.toml
index 01d9836f666b3..37268588cd796 100644
--- a/lib/codecs/Cargo.toml
+++ b/lib/codecs/Cargo.toml
@@ -34,7 +34,7 @@ prost-reflect.workspace = true
 rand.workspace = true
 regex.workspace = true
 serde.workspace = true
-serde_with = { version = "3.14.0", default-features = false, features = ["std", "macros", "chrono_0_4"] }
+serde_with = { version = "3.16.1", default-features = false, features = ["std", "macros", "chrono_0_4"] }
 serde_json.workspace = true
 serde-aux = { version = "4.5", optional = true }
 smallvec = { version = "1", default-features = false, features = ["union"] }
diff --git a/lib/file-source-common/Cargo.toml b/lib/file-source-common/Cargo.toml
index 3b912196c5d72..5734b64ce46f2 100644
--- a/lib/file-source-common/Cargo.toml
+++ b/lib/file-source-common/Cargo.toml
@@ -16,7 +16,7 @@ chrono.workspace = true
 tracing.workspace = true
 crc = "3.3.0"
 serde = { version = "1.0", default-features = false, features = ["derive"] }
-serde_json = { version = "1.0.143", default-features = false }
+serde_json = { version = "1.0.149", default-features = false }
 bstr = { version = "1.12", default-features = false }
 bytes = { version = "1.10.1", default-features = false, features = ["serde"] }
 dashmap = { version = "6.1", default-features = false }
diff --git a/lib/vector-config/Cargo.toml b/lib/vector-config/Cargo.toml
index 2283df3d133e1..8925ab360cc0e 100644
--- a/lib/vector-config/Cargo.toml
+++ b/lib/vector-config/Cargo.toml
@@ -20,7 +20,7 @@ no-proxy = { version = "0.3.6", default-features = false, features = ["serialize
 num-traits = { version = "0.2.19", default-features = false }
 serde.workspace = true
 serde_json.workspace = true
-serde_with = { version = "3.14.0", default-features = false, features = ["std"] }
+serde_with = { version = "3.16.1", default-features = false, features = ["std"] }
 snafu.workspace = true
 toml.workspace = true
 tracing.workspace = true
@@ -32,4 +32,4 @@ vector-config-macros = { path = "../vector-config-macros" }
 
 [dev-dependencies]
 assert-json-diff = { version = "2", default-features = false }
-serde_with = { version = "3.14.0", default-features = false, features = ["std", "macros"] }
+serde_with = { version = "3.16.1", default-features = false, features = ["std", "macros"] }
diff --git a/lib/vector-core/Cargo.toml b/lib/vector-core/Cargo.toml
index 76969fbe42cb5..924473f1187f5 100644
--- a/lib/vector-core/Cargo.toml
+++ b/lib/vector-core/Cargo.toml
@@ -45,7 +45,7 @@ regex = { version = "1.11.2", default-features = false, features = ["std", "perf
 ryu = { version = "1", default-features = false }
 serde.workspace = true
 serde_json.workspace = true
-serde_with = { version = "3.14.0", default-features = false, features = ["std", "macros"] }
+serde_with = { version = "3.16.1", default-features = false, features = ["std", "macros"] }
 smallvec = { version = "1", default-features = false, features = ["serde", "const_generics"] }
 snafu.workspace = true
 socket2.workspace = true