diff --git a/Cargo.toml b/Cargo.toml
index b15a992..29fe8b5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ maintenance = { status = "experimental" }
 
 [dependencies]
 backoff = "0.4"
-base64 = "0.21"
+base64 = "0.22"
 crossbeam-channel = "0.5"
 log = "0.4"
 rmp = "0.8"