diff --git a/setup.py b/setup.py
index 51af50e5..188bfa4b 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
 
 setuptools.setup(
     name="promptulate",
-    version="1.6.1",
+    version="1.6.3",
     author="Zeeland",
     author_email="zeeland@foxmail.com",
     description="A powerful LLM Application development framework.",