diff --git a/python/adapters/ponsim_onu/VERSION b/python/adapters/ponsim_onu/VERSION
index c10edc3..97ade15 100644
--- a/python/adapters/ponsim_onu/VERSION
+++ b/python/adapters/ponsim_onu/VERSION
@@ -1 +1 @@
-2.1.0-dev
+2.2.0-dev