diff --git a/openraft/Cargo.toml b/openraft/Cargo.toml
index b423c8c20..00cce86b2 100644
--- a/openraft/Cargo.toml
+++ b/openraft/Cargo.toml
@@ -27,7 +27,7 @@ futures = "0.3"
 maplit = "1.0.2"
 rand = "0.8"
 serde = { version="1", features=["derive", "rc"], optional = true}
-clap = { version = "3.0.7", features = ["derive", "env"] }
+clap = { version = "~3.1", features = ["derive", "env"] }
 thiserror = "1.0.29"
 tokio = { version="1.8", default-features=false, features=["fs", "io-util", "macros", "rt", "rt-multi-thread", "sync", "time"] }
 tracing = "0.1.29"