diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 45832865..850015dc 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -818,9 +818,9 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.21.4"
+version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ba43ea6f343b788c8764558649e08df62f86c6ef251fdaeb1ffd010a9ae50a2"
+checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
 [[package]]
 name = "base64-simd"
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 51a320f1..1b572b76 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -16,7 +16,7 @@ aws-sdk-cloudformation = "0.28.0"
 aws-sdk-kms = "0.28.0"
 aws-sdk-s3 = "0.28.0"
 aws-sdk-sts = "0.33.0"
-base64 = "0.21.0"
+base64 = "0.21.5"
 clap = { version = "4.4.6", features = ["derive", "env"] }
 rand = "0.8.5"
 serde = { version = "1.0.189", features = ["derive"] }