diff --git a/Cargo.lock b/Cargo.lock
index 84ad214..2072299 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -78,7 +78,7 @@ dependencies = [
 
 [[package]]
 name = "cmac"
-version = "0.8.0-pre.3"
+version = "0.8.0-pre.4"
 dependencies = [
  "aes",
  "cipher",
diff --git a/cmac/Cargo.toml b/cmac/Cargo.toml
index 8b44951..7cd4860 100644
--- a/cmac/Cargo.toml
+++ b/cmac/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cmac"
-version = "0.8.0-pre.3"
+version = "0.8.0-pre.4"
 description = "Generic implementation of Cipher-based Message Authentication Code"
 authors = ["RustCrypto Developers"]
 license = "MIT OR Apache-2.0"