diff --git a/setup.py b/setup.py
index 9cb02a9..8e11408 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name="ParaUtils",
-    version="0.1.6.3",
+    version="0.1.6.4",
     packages=find_packages(),
     include_package_data=True,
 )
\ No newline at end of file