diff --git a/Cargo.toml b/Cargo.toml
index d88892dc..98dbcdbb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ log = "0.4"
 pin-project-lite = "0.2.8"
 rustls = { version = "0.20", optional = true }
 rustls-native-certs = { version = "0.6.0", optional = true }
-rustls-pemfile = { version = "0.3", optional = true }
+rustls-pemfile = { version = "1.0", optional = true }
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"