diff --git a/Cargo.toml b/Cargo.toml
index 4b656fb56c80665f7ea141c51e4c8728f83b1219..54f482c9c1282fb54302302de9f8191eea8f862d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,4 +20,4 @@ rand = "0.3"
 log = "0.3"
 
 [dev-dependencies]
-quickcheck = "*"
+quickcheck = "0.2.27"