diff --git a/Cargo.toml b/Cargo.toml
index 642ac68..fd02654 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,5 +18,5 @@ hmac-sha256 = "1.1.7"
 rand = "0.10.1"
 serde = { version = "1.0.203", features = ["derive"] }
 serde_json = "1.0.120"
-base64 = "0.22.1"
+base64 = "0.23.0"
 jwt-simple = "0.12.9"