diff --git a/Cargo.lock b/Cargo.lock
index e1718b42..99ceea84 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3854,9 +3854,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25bf4a5a814902cd1014dbccfa4d4560fb8432c779471e96e035602519f82eef"
+checksum = "30d904179146de381af4c93d3af6ca4984b3152db687dacb9c3c35e86f39809c"
 dependencies = [
  "base64",
  "chrono",
@@ -3870,9 +3870,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3452b4c0f6c1e357f73fdb87cd1efabaa12acf328c7a528e252893baeb3f4aa"
+checksum = "a1966009f3c05f095697c537312f5415d1e3ed31ce0a56942bac4c771c5c335e"
 dependencies = [
  "darling 0.14.1",
  "proc-macro2 1.0.47",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index e04166f6..65be7ba6 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -76,7 +76,7 @@ tracing = "0.1.37"
 # Serialization
 hex = { version = "0.4.3", features = ["serde"] }
 serde = { version = "1.0.152", features = ["serde_derive", "rc"] }
-serde_with = "2.1.0"
+serde_with = "2.2.0"
 serde-big-array = "0.4.1"
 
 # Processing