diff --git a/Cargo.toml b/Cargo.toml
index 286dad3..0716a70 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ tls = ["native-tls"]
 tls-vendored = ["native-tls", "native-tls/vendored"]
 
 [dependencies]
-base64 = "0.12.0"
+base64 = "0.13.0"
 byteorder = "1.3.2"
 bytes = "0.5"
 http = "0.2"