diff --git a/Cargo.toml b/Cargo.toml
index ffe9ca6..e650d93 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ futures-io = "0.3"
 criterion = "0.3"
 futures = "0.3"
 quickcheck = "1.0"
-quickcheck_macros = "0.9"
+quickcheck_macros = "1.0"
 
 [[bench]]
 name = "pipe"