diff --git a/Cargo.toml b/Cargo.toml
index 8c8f1f4..d4e94eb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ cookie = { version = "0.11", features = ["percent-encode"] }
 lazy_static = "1"
 qstring = "0.6"
 url = "1"
-rustls = { version = "0.13", optional = true }
+rustls = { version = "0.13", optional = true, features = [] }
 webpki = { version = "0.18", optional = true }
 webpki-roots = { version = "0.15", optional = true }
 serde_json = { version = "1", optional = true }