diff --git a/Cargo.toml b/Cargo.toml
index 0ef7f6e..46e23b3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ async-std = "1.5.0"
 async-trait = "0.1.24"
 
 [dev-dependencies]
-quickcheck = "0.9.2"
+quickcheck = "1.0.3"
 rand = "0.7.3"
 tempfile = "3.1.0"
 async-std = { version = "1.5.0", features = ["attributes"] }