diff --git a/sigstore/__init__.py b/sigstore/__init__.py
index 8c82b33ce..35ad2da01 100644
--- a/sigstore/__init__.py
+++ b/sigstore/__init__.py
@@ -25,4 +25,4 @@
 * `sigstore.sign`: creation of Sigstore signatures
 """
 
-__version__ = "0.10.0"
+__version__ = "1.0.0rc1"