diff --git a/MANIFEST.in b/MANIFEST.in
index 9d5d250..14a8d0c 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,3 @@
 include LICENSE
 include README.rst
+recursive-include scripts *
diff --git a/atrcopy/__init__.py b/atrcopy/__init__.py
index 8018688..92782e8 100755
--- a/atrcopy/__init__.py
+++ b/atrcopy/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "2.3.0"
+__version__ = "2.3.1"
 
 try:
     import numpy as np