diff --git a/Cargo.toml b/Cargo.toml
index 8365190..7bd18d2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ futures-util = "0.3"
 parking_lot = { version = "0.12", features = ["send_guard"] }
 pin-project = "1"
 quinn = "0.10.1"
-rcgen = { version = "0.11.0", default-features = false, optional = true }
+rcgen = { version = "0.12.1", default-features = false, optional = true }
 rustls = { version = "0.21.1", default-features = false, features = [
 	"dangerous_configuration",
 ] }