diff --git a/setup.py b/setup.py
index dc4702c5fed543cc1b9d62904423c54c7c693e90..0d5ef40342fed1550221f73a81127b680006c587 100644
--- a/setup.py
+++ b/setup.py
@@ -76,7 +76,7 @@ with open("requirements.txt", "r") as f:
     ]
 
 setup(name='csst_msc_sim',
-      version='3.3.0',
+      version='3.3.1',
       packages=find_packages(),
       # install_requires=[
       #     # 'numpy>=1.18.5',