diff --git a/Cargo.lock b/Cargo.lock
index 2c2ce354..d9d35afe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4833,11 +4833,12 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.19.0"
+version = "3.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f05839ce67618e14a09b286535c0d9c94e85ef25469b0e13cb4f844e5593eb19"
+checksum = "e72c1c2cb7b223fafb600a619537a871c2818583d619401b785e7c0b746ccde2"
 dependencies = [
  "base64 0.22.1",
+ "bs58",
  "chrono",
  "hex",
  "indexmap 1.9.3",
@@ -4852,9 +4853,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.19.0"
+version = "3.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf2ebbe86054f9b45bc3881e865683ccfaccce97b9b4cb53f3039d67f355a334"
+checksum = "b90c488738ecb4fb0262f41f43bc40efc5868d9fb744319ddf5f5317f417bfac"
 dependencies = [
  "darling 0.23.0",
  "proc-macro2",
diff --git a/clients/rust/Cargo.toml b/clients/rust/Cargo.toml
index 9a12c883..08e1f057 100644
--- a/clients/rust/Cargo.toml
+++ b/clients/rust/Cargo.toml
@@ -16,7 +16,7 @@ kaigan = { version = "0.5.0", features = ["borsh-v1"] }
 num-derive = "0.4"
 num-traits = "0.2"
 serde = { version = "1.0", features = ["derive"], optional = true }
-serde_with = { version = "3.19", optional = true }
+serde_with = { version = "3.20", optional = true }
 solana-account-info = "^3.1"
 solana-cpi = "3.0"
 solana-instruction = "3.4"