diff --git a/pmcx/README.md b/pmcx/README.md
index 33ea3d98..a1bf7218 100644
--- a/pmcx/README.md
+++ b/pmcx/README.md
@@ -4,7 +4,7 @@
 
 - Copyright: (C) Matin Raayai Ardakani (2022-2023) <raayaiardakani.m at northeastern.edu>, Qianqian Fang (2019-2023) <q.fang at neu.edu>, Fan-Yu Yen (2023) <yen.f at northeastern.edu>
 - License: GNU Public License V3 or later
-- Version: 0.2.0
+- Version: 0.2.1
 - URL: https://pypi.org/project/pmcx/
 - Github: https://github.com/fangq/mcx
 
diff --git a/pmcx/pmcx/__init__.py b/pmcx/pmcx/__init__.py
index 60242b9b..847ed5a9 100644
--- a/pmcx/pmcx/__init__.py
+++ b/pmcx/pmcx/__init__.py
@@ -49,7 +49,7 @@
 # from .files import loadmc2, loadmch, load, save
 from .bench import bench
 
-__version__ = "0.2.0"
+__version__ = "0.2.1"
 
 __all__ = (
     "gpuinfo",
diff --git a/pmcx/setup.py b/pmcx/setup.py
index 7906961c..5f96cad7 100644
--- a/pmcx/setup.py
+++ b/pmcx/setup.py
@@ -119,7 +119,7 @@ def build_extension(self, ext):
 setup(
     name="pmcx",
     packages=['pmcx'],
-    version="0.2.0",
+    version="0.2.1",
     requires=['numpy'],
     license='GPLv3+',
     author="Matin Raayai Ardakani, Qianqian Fang, Fan-Yu Yen",