diff --git a/Cargo.toml b/Cargo.toml
index c41e9bd..dc69241 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ include = [
 no_std = [] # This is a no-op, preserved for backward compatibility only.
 
 [dev-dependencies]
-quickcheck = "0.7"
+quickcheck = "1.0"
 criterion = "0.5"
 proptest = "1.7.0"