diff --git a/Cargo.toml b/Cargo.toml
index 8f219b8..98fde63 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,6 +39,7 @@ serde_derive = "1.0"
 default = ["default-tls"]
 hyper-011 = ["hyper-old-types"]
 default-tls = ["hyper-tls", "native-tls"]
+native-tls-vendored = ["native-tls/vendored"]
 
 [package.metadata.docs.rs]
 rustdoc-args = ["--cfg", "docs_rs_workaround"]