diff --git a/Cargo.toml b/Cargo.toml
index 7430da5f..ff1f654f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ path = "src/lib.rs"
 name = "celery_app"
 
 [dependencies]
-base64 = "0.13"
+base64 = "0.21"
 chrono = { version = "0.4", features = ["serde"] }
 tokio = { version = "1.0.0", features = ["full"]}
 tokio-stream = "0.1.0"