diff --git a/Cargo.toml b/Cargo.toml
index 0e2649d..9b08eaa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ futures = "0.3.4"
 async-std = "1.5.0"
 
 [dev-dependencies]
-quickcheck = "0.9.2"
+quickcheck = "1.0.2"
 data-encoding = "2.2.0"
 remove_dir_all = "0.6.0"
 tempfile = "3.1.0"