diff --git a/lightly/__init__.py b/lightly/__init__.py
index 81fdcb02c..9c775a84d 100644
--- a/lightly/__init__.py
+++ b/lightly/__init__.py
@@ -75,7 +75,7 @@
 # All Rights Reserved
 
 __name__ = "lightly"
-__version__ = "1.5.5"
+__version__ = "1.5.6"
 
 
 import os