diff --git a/Cargo.lock b/Cargo.lock
index 523cdedf..2f698cba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4075,9 +4075,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "2.3.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ea48c9627169d206b35905699f513f513c303ab9d964a59b44fdcf66c1d1ab7"
+checksum = "85456ffac572dc8826334164f2fb6fb40a7c766aebe195a2a21ee69ee2885ecf"
 dependencies = [
  "base64 0.13.0",
  "chrono",
@@ -4085,7 +4085,7 @@ dependencies = [
  "indexmap",
  "serde",
  "serde_json",
- "serde_with_macros 2.3.0",
+ "serde_with_macros 2.3.1",
  "time 0.3.17",
 ]
 
@@ -4103,9 +4103,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "2.3.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6b7e52858f9f06c25e1c566bbb4ab428200cb3b30053ea09dc50837de7538b"
+checksum = "7cbcd6104f8a4ab6af7f6be2a0da6be86b9de3c401f6e86bb856ab2af739232f"
 dependencies = [
  "darling 0.14.1",
  "proc-macro2 1.0.47",
@@ -5707,7 +5707,7 @@ dependencies = [
  "secp256k1",
  "serde",
  "serde-big-array",
- "serde_with 2.3.0",
+ "serde_with 2.3.1",
  "sha2",
  "spandoc",
  "static_assertions",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 78976399..d4def7e7 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -74,7 +74,7 @@ tracing = "0.1.37"
 # Serialization
 hex = { version = "0.4.3", features = ["serde"] }
 serde = { version = "1.0.154", features = ["serde_derive", "rc"] }
-serde_with = "2.3.0"
+serde_with = "2.3.1"
 serde-big-array = "0.5.1"
 
 # Processing