diff --git a/tonic/Cargo.toml b/tonic/Cargo.toml
index 65b06d311..91fc8c2cb 100644
--- a/tonic/Cargo.toml
+++ b/tonic/Cargo.toml
@@ -84,7 +84,7 @@ tracing-futures = {version = "0.2", optional = true}
 axum = {version = "0.5", default_features = false, optional = true}
 
 # rustls
-rustls-pemfile = { version = "0.3", optional = true }
+rustls-pemfile = { version = "1.0", optional = true }
 rustls-native-certs = { version = "0.6.1", optional = true }
 tokio-rustls = { version = "0.23.1", optional = true }
 webpki-roots = { version = "0.22.1", optional = true }