diff --git a/.drone.yml b/.drone.yml
index 3600c9cde30..1c59cd13f2e 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1162,4 +1162,4 @@ services:
       matrix:
         ENABLE_OPENLDAP: true
 
-branches: [ master, stable* ]
+branches: [ stable15 ]