diff --git a/async-signature/Cargo.toml b/async-signature/Cargo.toml
index d89f8d89..50ac9a70 100644
--- a/async-signature/Cargo.toml
+++ b/async-signature/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "async-signature"
 description = "Traits for cryptographic signature algorithms (e.g. ECDSA, Ed25519)"
-version = "0.6.0-pre.1"
+version = "0.6.0-pre.4"
 authors = ["RustCrypto Developers"]
 license = "Apache-2.0 OR MIT"
 documentation = "https://docs.rs/async-signature"