diff --git a/omeroweb/version.py b/omeroweb/version.py
index 09c8c33aa9..920c71186d 100644
--- a/omeroweb/version.py
+++ b/omeroweb/version.py
@@ -7,5 +7,5 @@
     omero_buildyear = "unknown"
 
 
-omeroweb_version = "5.6.0"
+omeroweb_version = "5.6.1.dev1"
 omeroweb_buildyear = "2020"