diff --git a/cjwt/Cargo.toml b/cjwt/Cargo.toml
index 2975716..ed44f4a 100644
--- a/cjwt/Cargo.toml
+++ b/cjwt/Cargo.toml
@@ -34,7 +34,7 @@ harness = false
 path = "benches/cjwt.rs"
 
 [dependencies]
-base64 = "0.21.5"
+base64 = "0.22.1"
 cclm = "0.0.1"
 dtt = "0.0.5"
 hmac = "0.12.1"
diff --git a/idk/Cargo.toml b/idk/Cargo.toml
index d8d87c8..372950a 100644
--- a/idk/Cargo.toml
+++ b/idk/Cargo.toml
@@ -29,7 +29,7 @@ include = [
 ]
 
 [dependencies]
-base64 = "0.21.5"
+base64 = "0.22.1"
 hmac = "0.12.1"
 jwt = "0.16.0"
 serde_json = "1.0.108"