diff --git a/Cargo.toml b/Cargo.toml
index aa2bb33..fb68eda 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -64,7 +64,7 @@ tokio1_rustls = { package = "tokio-rustls", version = "0.23", optional = true }
 
 ## dkim
 sha2 = { version = "0.10", optional = true }
-rsa = { version = "0.6.0-pre", optional = true }
+rsa = { version = "0.6.0", optional = true }
 ed25519-dalek = { version = "1.0.1", optional = true }
 
 [dev-dependencies]