diff --git a/setup.py b/setup.py
index 897bd619..3b96eb4b 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='dataclasses-json',
-    version='0.3.0',
+    version='0.3.1',
     packages=find_packages(exclude=('tests*',)),
     author='lidatong',
     author_email='charles.dt.li@gmail.com',