diff --git a/setup.py b/setup.py
index 6e41e55ef..d8c6fecda 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ def run(self, *args, **kwargs):
 
 setuptools.setup(
     name             = 'keras-retinanet',
-    version          = '0.5.0',
+    version          = '0.5.1',
     description      = 'Keras implementation of RetinaNet object detection.',
     url              = 'https://github.com/fizyr/keras-retinanet',
     author           = 'Hans Gaiser',