diff --git a/.github/workflows/modoboa.yml b/.github/workflows/modoboa.yml
index 17a9587e0..b8c5c1bf2 100644
--- a/.github/workflows/modoboa.yml
+++ b/.github/workflows/modoboa.yml
@@ -5,7 +5,7 @@ name: Modoboa App
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master, 2.3.x ]
     paths-ignore:
       - 'modoboa/**.po'
       - 'frontend/**'