diff --git a/python/ray/__init__.py b/python/ray/__init__.py
index 9089059c5b20..9aedaa99de68 100644
--- a/python/ray/__init__.py
+++ b/python/ray/__init__.py
@@ -102,7 +102,7 @@
 
 # Replaced with the current commit when building the wheels.
 __commit__ = "{{RAY_COMMIT_SHA}}"
-__version__ = "1.0.1"
+__version__ = "1.0.1.post1"
 
 __all__ = [
     "__version__",