diff --git a/setup.py b/setup.py
index 238800c..2206724 100644
--- a/setup.py
+++ b/setup.py
@@ -92,7 +92,7 @@
 
 setup(
     name="aimrocks",
-    version='0.5.0',
+    version='0.5.1',
     description='RocksDB wrapper implemented in Cython.',
     setup_requires=['setuptools>=25', 'Cython>=3.0.0a9'],
     packages=find_packages('./src'),