diff --git a/Cargo.toml b/Cargo.toml
index 2baf9bcc..7214eb49 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,3 +26,4 @@ num = "0.1.*"
 
 [dependencies.quickcheck]
 optional = true
+version = "0.2.*"