diff --git a/Cargo.toml b/Cargo.toml
index af6a728a..fa29c225 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -90,7 +90,7 @@ serde_urlencoded = "0.6.1"
 time = { version = "0.2.7", default-features = false, features = ["std"] }
 url = "2.1"
 open-ssl = { version="0.10", package = "openssl", optional = true }
-rust-tls = { version = "0.16.0", package = "rustls", optional = true }
+rust-tls = { version = "0.17.0", package = "rustls", optional = true }
 
 [dev-dependencies]
 actix = "0.10.0-alpha.1"
diff --git a/actix-http/Cargo.toml b/actix-http/Cargo.toml
index 9efe1699..df9653aa 100644
--- a/actix-http/Cargo.toml
+++ b/actix-http/Cargo.toml
@@ -102,7 +102,7 @@ futures = "0.3.1"
 env_logger = "0.7"
 serde_derive = "1.0"
 open-ssl = { version="0.10", package = "openssl" }
-rust-tls = { version="0.16", package = "rustls" }
+rust-tls = { version="0.17", package = "rustls" }
 
 [[bench]]
 name = "content-length"
diff --git a/awc/Cargo.toml b/awc/Cargo.toml
index 99f0e3eb..d27615f7 100644
--- a/awc/Cargo.toml
+++ b/awc/Cargo.toml
@@ -51,7 +51,7 @@ serde = "1.0"
 serde_json = "1.0"
 serde_urlencoded = "0.6.1"
 open-ssl = { version="0.10", package="openssl", optional = true }
-rust-tls = { version = "0.16.0", package="rustls", optional = true, features = ["dangerous_configuration"]  }
+rust-tls = { version = "0.17.0", package="rustls", optional = true, features = ["dangerous_configuration"]  }
 
 [dev-dependencies]
 actix-connect = { version = "2.0.0-alpha.1", features=["openssl"] }