diff --git a/cupy/_version.py b/cupy/_version.py
index b4a2d06dd25..39cfd3b8da2 100644
--- a/cupy/_version.py
+++ b/cupy/_version.py
@@ -1 +1 @@
-__version__ = '10.0.0b2'
+__version__ = '10.0.0b3'