diff --git a/kube-client/Cargo.toml b/kube-client/Cargo.toml
index 88e656025..101f53bcb 100644
--- a/kube-client/Cargo.toml
+++ b/kube-client/Cargo.toml
@@ -51,7 +51,7 @@ thiserror = "1.0.29"
 futures = { version = "0.3.17", optional = true }
 pem = { version = "3.0.1", optional = true }
 openssl = { version = "0.10.36", optional = true }
-rustls = { version = "0.21.0", features = ["dangerous_configuration"], optional = true }
+rustls = { version = "0.21.4", features = ["dangerous_configuration"], optional = true }
 rustls-pemfile = { version = "1.0.0", optional = true }
 bytes = { version = "1.1.0", optional = true }
 tokio = { version = "1.14.0", features = ["time", "signal", "sync"], optional = true }