diff --git a/gns3server/version.py b/gns3server/version.py
index b4b765e96..c520f0086 100644
--- a/gns3server/version.py
+++ b/gns3server/version.py
@@ -23,8 +23,8 @@
 # or negative for a release candidate or beta (after the base version
 # number has been incremented)
 
-__version__ = "2.2.56.1"
-__version_info__ = (2, 2, 56, 0)
+__version__ = "2.2.57.dev2"
+__version_info__ = (2, 2, 57, 99)
 
 if "dev" in __version__:
     try: