diff --git a/Cargo.toml b/Cargo.toml
index 148eef94..cc2ad42e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,4 +29,4 @@ tower-service = "0.2.0"
 
 [dev-dependencies]
 env_logger = "0.7.1"
-tokio = "0.1.22"
+tokio = "0.2.4"