diff --git a/.github/workflows/moodle-ci.yml b/.github/workflows/moodle-ci.yml
index 38c6a74..46271ae 100644
--- a/.github/workflows/moodle-ci.yml
+++ b/.github/workflows/moodle-ci.yml
@@ -37,9 +37,11 @@ jobs:
       fail-fast: false
       matrix:
         php: ['8.0', '8.1', '8.2']
-        moodle-branch: ['MOODLE_402_STABLE', 'MOODLE_403_STABLE', 'main']
+        moodle-branch: ['MOODLE_402_STABLE', 'MOODLE_403_STABLE', 'MOODLE_404_STABLE', 'main']
         database: [pgsql, mariadb]
         exclude:
+          - {moodle-branch: 'MOODLE_404_STABLE', php: '8.0', database: 'pgsql'}
+          - {moodle-branch: 'MOODLE_404_STABLE', php: '8.0', database: 'mariadb'}
           - {moodle-branch: 'main', php: '8.0', database: 'pgsql'}
           - {moodle-branch: 'main', php: '8.0', database: 'mariadb'}