diff --git a/atrcopy/__init__.py b/atrcopy/__init__.py
index 9a9eb7c..4a4af83 100644
--- a/atrcopy/__init__.py
+++ b/atrcopy/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "3.1.1"
+__version__ = "3.1.2"
 
 import logging