diff --git a/sigstore/__init__.py b/sigstore/__init__.py
index f826db8f..013e4645 100644
--- a/sigstore/__init__.py
+++ b/sigstore/__init__.py
@@ -16,4 +16,4 @@
 The `sigstore` APIs.
 """
 
-__version__ = "0.6.3"
+__version__ = "0.6.4"