diff --git a/Cargo.toml b/Cargo.toml
index f300d6b..722a74c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,6 @@ futures = "0.3.4"
 async-trait = "0.1.24"
 
 [dev-dependencies]
-quickcheck = "0.9.2"
+quickcheck = "1.0.3"
 rand = "0.7.3"
 async-std = { version = "1.5.0", features = ["attributes"] }