diff --git a/Cargo.toml b/Cargo.toml
index b265599..4575c19 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ hyper-tungstenite = "0.11.1"
 moka = { version = "0.12.0", features = ["future"], optional = true }
 openssl = { version = "0.10.39", optional = true }
 rand = { version = "0.8.0", optional = true }
-rcgen = { version = "0.11.0", features = ["x509-parser"], optional = true }
+rcgen = { version = "0.12.0", features = ["x509-parser"], optional = true }
 thiserror = "1.0.30"
 time = { version = "0.3.7", optional = true }
 tokio = { version = "1.24.2", features = ["rt"] }