diff --git a/Cargo.toml b/Cargo.toml
index 137e7902..e5f29086 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ headers = "0.4"
 http = "1"
 http-body-util = "0.1"
 hyper = { version = "1", features = ["server", "http1", "http2"] }
-hyper-util = { version = "0.1", features = ["server", "server-graceful", "server-auto", "http1", "http2", "service", "tokio"], optional = true }
+hyper-util = { version = "0.1.12", features = ["server", "server-graceful", "server-auto", "http1", "http2", "service", "tokio"], optional = true }
 log = "0.4"
 mime = "0.3"
 mime_guess = "2.0.0"