diff --git a/Cargo.toml b/Cargo.toml
index 7f74f61..e50c84f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,15 +14,15 @@ http = "0.2"
 hyper = { version = "0.14", default-features = false, features = ["client"] }
 log = { version = "0.4.4", optional = true }
 rustls-native-certs = { version = "0.6", optional = true }
-rustls = { version = "0.20.1", default-features = false }
+rustls = { version = "0.21.0", default-features = false }
 tokio = "1.0"
-tokio-rustls = { version = "0.23", default-features = false }
-webpki-roots = { version = "0.22", optional = true }
+tokio-rustls = { version = "0.24.0", default-features = false }
+webpki-roots = { version = "0.23", optional = true }
 
 [dev-dependencies]
 futures-util = { version = "0.3.1", default-features = false }
 hyper = { version = "0.14", features = ["full"] }
-rustls = { version = "0.20.1", default-features = false, features = ["tls12"] }
+rustls = { version = "0.21.0", default-features = false, features = ["tls12"] }
 rustls-pemfile = "1.0.0"
 tokio = { version = "1.0", features = ["io-std", "macros", "net", "rt-multi-thread"] }