diff --git a/setup.py b/setup.py
index c72d248..a8cc5fc 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
     long_description = fh.read()
 
 setup(
-    version="2.3.0",
+    version="2.3.1",
     name='calib3d',
     author='Gabriel Van Zandycke',
     author_email="gabriel.vanzandycke@hotmail.com",