diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2e6939d0..9faeebfc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         php: ['8.1', '8.2']
-        moodle-branch: ['main']
+        moodle-branch: ['MOODLE_404_STABLE']
         database: [mariadb]
 
     steps: