diff --git a/Cargo.toml b/Cargo.toml
index e5ac8d4..ea6df6e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -93,9 +93,9 @@ native-tls-crate = { version = "0.2", optional = true, package = "native-tls" }
 tokio-tls = { version = "0.3.0", optional = true }
 
 # rustls-tls
-hyper-rustls = { version = "0.20", default-features = false, optional = true }
-rustls = { version = "0.17", features = ["dangerous_configuration"], optional = true }
-tokio-rustls = { version = "0.13", optional = true }
+hyper-rustls = { version = "0.21", default-features = false, optional = true }
+rustls = { version = "0.18", features = ["dangerous_configuration"], optional = true }
+tokio-rustls = { version = "0.14", optional = true }
 webpki-roots = { version = "0.19", optional = true }
 
 ## cookies