diff --git a/python/setup.py b/python/setup.py
index b336ea3..21ebe05 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -14,7 +14,7 @@
 setup(
     name='irbasis',
 
-    version='2.2.1',
+    version='2.2.2',
 
     description='Python libraries for irbasis',