diff --git a/Cargo.toml b/Cargo.toml
index 84bb05e..a7dbc5f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,4 +30,4 @@ regex = "0.2"
 bufstream = "0.1"
 
 [dev-dependencies]
-base64 = "0.2"
+base64 = "0.7"