diff --git a/Cargo.toml b/Cargo.toml
index 3dd61c2ac..161a2853d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ mio-uds = "0.6"
 
 [dev-dependencies]
 tokio-core = "0.1.17"
-tokio = "0.1.0"
+tokio = "0.1.6"
 
 [target.'cfg(windows)'.dependencies.winapi]
 version = "0.3"