diff --git a/setup.py b/setup.py
index 06da3ed..f990b33 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
 setup(
     name='klongpy',
     packages=find_packages(),
-    version='0.6.3',
+    version='0.6.4',
     description='High-Performance Klong array language with rich Python integration.',
     author='Brian Guarraci',
     license='MIT',