diff --git a/tonic/Cargo.toml b/tonic/Cargo.toml
index 45e501d..f49c071 100644
--- a/tonic/Cargo.toml
+++ b/tonic/Cargo.toml
@@ -71,7 +71,7 @@ async-trait = {version = "0.1.13", optional = true}
 
 # transport
 h2 = {version = "0.3", optional = true}
-hyper = {version = "0.14.4", features = ["full"], optional = true}
+hyper = {version = "0.14.14", features = ["full"], optional = true}
 hyper-timeout = {version = "0.4", optional = true}
 tokio = {version = "1.0.1", features = ["net"], optional = true}
 tokio-stream = "0.1"