diff --git a/.github/workflows/moodle-ci.yml b/.github/workflows/moodle-ci.yml
index 9318527..f405ad8 100644
--- a/.github/workflows/moodle-ci.yml
+++ b/.github/workflows/moodle-ci.yml
@@ -32,6 +32,9 @@ jobs:
         include:
           - php: '8.2'
             moodle-branch: 'master'
+            database: 'pgsql'
+          - php: '8.2'
+            moodle-branch: 'MOODLE_403_STABLE'
             database: 'mariadb'
           - php: '8.1'
             moodle-branch: 'MOODLE_402_STABLE'
@@ -68,7 +71,7 @@ jobs:
 
       - name: Initialise moodle-plugin-ci
         run: |
-          composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^3
+          composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^4
           echo $(cd ci/bin; pwd) >> $GITHUB_PATH
           echo $(cd ci/vendor/bin; pwd) >> $GITHUB_PATH
           sudo locale-gen en_AU.UTF-8