diff --git a/setup.py b/setup.py
index 48d35db8d..8fea89c8f 100644
--- a/setup.py
+++ b/setup.py
@@ -92,7 +92,7 @@ def run(self):
 
 setup(
     name='ecell4_base',
-    version = '2.0.3',
+    version = '2.0.4',
     license = "the GNU General Public License v2",
     author = "Kazunari Kaizu",
     author_email = "kaizu@riken.jp",