diff --git a/gremlin-client/Cargo.toml b/gremlin-client/Cargo.toml
index eda2c516..ee1ebf29 100644
--- a/gremlin-client/Cargo.toml
+++ b/gremlin-client/Cargo.toml
@@ -43,7 +43,7 @@ chrono = { version = "0.4", default-features = false}
 lazy_static = "1.3.0"
 base64 = "0.21.4"
 native-tls = "0.2.3"
-tungstenite = { version = "0.20.1", features = ["native-tls"] }
+tungstenite = { version = "0.21.0", features = ["native-tls"] }
 async-tungstenite = { version = "0.23", optional = true, default-features=false}
 async-std =  { version = "1.4.0", optional = true, features = ["unstable","attributes"] }
 async-trait = { version = "0.1.10", optional = true }