diff --git a/setup.py b/setup.py
index aadc8e9..fef742a 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 
 setup(
     name='nsopy',
-    version='1.21',
+    version='1.5',
     description='Non-smooth optimization for Python',
     author='Robin Vujanic',
     author_email='vjc.robin@gmail.com',