diff --git a/ansible/group_vars/all/oas.yml b/ansible/group_vars/all/oas.yml
index e90671c702e75cee4fd492c852fe7bfada0e88c3..de93837a61b514015851c7c0b2451f6522f95757 100644
--- a/ansible/group_vars/all/oas.yml
+++ b/ansible/group_vars/all/oas.yml
@@ -85,4 +85,4 @@ local_flux: false
 # mechanism (flux). Not used if local_flux is set to true.
 flux_source:
   repo: "https://open.greenhost.net/openappstack/openappstack"
-  branch: "0.3"
+  branch: "master"