diff --git a/sigstore_rekor_types/__init__.py b/sigstore_rekor_types/__init__.py
index 217e773..39bc900 100644
--- a/sigstore_rekor_types/__init__.py
+++ b/sigstore_rekor_types/__init__.py
@@ -1,6 +1,6 @@
 """The `sigstore_rekor_types` APIs."""
 
-__version__ = "0.0.1"
+__version__ = "0.0.1rc0"
 
 from ._internal import (
     alpine,