diff --git a/Cargo.lock b/Cargo.lock
index c3a68ac39..c7160d246 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3915,9 +3915,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "2.2.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30d904179146de381af4c93d3af6ca4984b3152db687dacb9c3c35e86f39809c"
+checksum = "7ea48c9627169d206b35905699f513f513c303ab9d964a59b44fdcf66c1d1ab7"
 dependencies = [
  "base64 0.13.0",
  "chrono",
@@ -3931,9 +3931,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "2.2.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1966009f3c05f095697c537312f5415d1e3ed31ce0a56942bac4c771c5c335e"
+checksum = "9e6b7e52858f9f06c25e1c566bbb4ab428200cb3b30053ea09dc50837de7538b"
 dependencies = [
  "darling 0.14.1",
  "proc-macro2 1.0.47",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index cd5914f90..05dac70f5 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 = "2.2.0"
+serde_with = "2.3.0"
 serde-big-array = "0.5.1"
 
 # Processing