diff --git a/tokio/Cargo.toml b/tokio/Cargo.toml
index d37f33ded79..dcbbcc357c4 100644
--- a/tokio/Cargo.toml
+++ b/tokio/Cargo.toml
@@ -82,7 +82,7 @@ signal = [
   "winapi/consoleapi",
 ]
 sync = []
-test-util = []
+test-util = ["rt", "sync", "time"]
 time = []
 
 [dependencies]