diff --git a/client/ayon_hiero/version.py b/client/ayon_hiero/version.py
index ff31a2c..d604c70 100644
--- a/client/ayon_hiero/version.py
+++ b/client/ayon_hiero/version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 """Package declaring AYON addon 'hiero' version."""
-__version__ = "0.4.0"
+__version__ = "0.4.0+dev"
diff --git a/package.py b/package.py
index 9bd6bc6..a0dcbcf 100644
--- a/package.py
+++ b/package.py
@@ -1,6 +1,6 @@
 name = "hiero"
 title = "Hiero"
-version = "0.4.0"
+version = "0.4.0+dev"
 app_host_name = "hiero"
 client_dir = "ayon_hiero"