diff --git a/Cargo.lock b/Cargo.lock
index 6e4fc01..2818b15 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -224,6 +224,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64"
+version = "0.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac07cdecf99051d9a5238b80f35af32cdeba5b336e55d957b318b50137e18da5"
+
 [[package]]
 name = "base64ct"
 version = "1.8.3"
@@ -946,7 +952,7 @@ version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "bytes",
  "futures-channel",
  "futures-util",
@@ -1818,7 +1824,7 @@ name = "ra2a"
 version = "0.10.1"
 dependencies = [
  "axum 0.8.9",
- "base64",
+ "base64 0.23.1",
  "chrono",
  "futures",
  "google-api-proto",
@@ -1991,7 +1997,7 @@ version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "219c5811de6525e5416c7d5d53bb656d3afdbc6c5af816e0802bcfa42dbdc1c3"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -2449,7 +2455,7 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee6798b1838b6a0f69c007c133b8df5866302197e404e8b6ee8ed3e3a5e68dc6"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "bytes",
  "crc",
  "crossbeam-queue",
@@ -2522,7 +2528,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa003f0038df784eb8fecbbac13affe3da23b45194bd57dba231c8f48199c526"
 dependencies = [
  "atoi",
- "base64",
+ "base64 0.22.1",
  "bitflags",
  "byteorder",
  "bytes",
@@ -2564,7 +2570,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db58fcd5a53cf07c184b154801ff91347e4c30d17a3562a635ff028ad5deda46"
 dependencies = [
  "atoi",
- "base64",
+ "base64 0.22.1",
  "bitflags",
  "byteorder",
  "crc",
@@ -2855,7 +2861,7 @@ dependencies = [
  "async-stream",
  "async-trait",
  "axum 0.7.9",
- "base64",
+ "base64 0.22.1",
  "bytes",
  "h2",
  "http",
@@ -2884,7 +2890,7 @@ checksum = "ac2a5518c70fa84342385732db33fb3f44bc4cc748936eb5833d2df34d6445ef"
 dependencies = [
  "async-trait",
  "axum 0.8.9",
- "base64",
+ "base64 0.22.1",
  "bytes",
  "h2",
  "http",
diff --git a/Cargo.toml b/Cargo.toml
index 83865a5..09e4dd8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ description = "Comprehensive Rust SDK for the Agent2Agent (A2A) Protocol"
 ra2a = { version = "0.10", path = "ra2a", features = ["server", "client"] }
 
 axum = "0.8.8"
-base64 = "0.22.1"
+base64 = "0.23.1"
 chrono = { version = "0.4.44", features = ["serde"] }
 futures = "0.3.32"
 mockito = "1.7.2"