diff --git a/.github/workflows/moodle-plugin-ci.yml b/.github/workflows/moodle-plugin-ci.yml
index e146c5d..34c0ceb 100644
--- a/.github/workflows/moodle-plugin-ci.yml
+++ b/.github/workflows/moodle-plugin-ci.yml
@@ -30,104 +30,160 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - php: 8.3
+            moodle-branch: MOODLE_404_STABLE
+            database: pgsql
+            plugin-ci: ^4
+          - php: 8.3
+            moodle-branch: MOODLE_404_STABLE
+            database: mariadb
+            plugin-ci: ^4
+          - php: 8.2
+            moodle-branch: MOODLE_404_STABLE
+            database: pgsql
+            plugin-ci: ^4
+          - php: 8.2
+            moodle-branch: MOODLE_404_STABLE
+            database: mariadb
+            plugin-ci: ^4
+          - php: 8.1
+            moodle-branch: MOODLE_404_STABLE
+            database: pgsql
+            plugin-ci: ^4
+          - php: 8.1
+            moodle-branch: MOODLE_404_STABLE
+            database: mariadb
+            plugin-ci: ^4
           - php: 8.2
             moodle-branch: MOODLE_403_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.2
             moodle-branch: MOODLE_403_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 8.1
             moodle-branch: MOODLE_403_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.1
             moodle-branch: MOODLE_403_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 8.0
             moodle-branch: MOODLE_403_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.0
             moodle-branch: MOODLE_403_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 8.2
             moodle-branch: MOODLE_402_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.2
             moodle-branch: MOODLE_402_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 8.1
             moodle-branch: MOODLE_402_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.1
             moodle-branch: MOODLE_402_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 8.0
             moodle-branch: MOODLE_402_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.0
             moodle-branch: MOODLE_402_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 8.1
             moodle-branch: MOODLE_401_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.1
             moodle-branch: MOODLE_401_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 8.0
             moodle-branch: MOODLE_401_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.0
             moodle-branch: MOODLE_401_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 7.4
             moodle-branch: MOODLE_401_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 7.4
             moodle-branch: MOODLE_401_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 8.0
             moodle-branch: MOODLE_400_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 8.0
             moodle-branch: MOODLE_400_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 7.4
             moodle-branch: MOODLE_400_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 7.4
             moodle-branch: MOODLE_400_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 7.4
             moodle-branch: MOODLE_311_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 7.4
             moodle-branch: MOODLE_311_STABLE
             database: mariadb
+            plugin-ci: ^4
           - php: 7.4
             moodle-branch: MOODLE_39_STABLE
             database: pgsql
+            plugin-ci: ^4
           - php: 7.4
             moodle-branch: MOODLE_39_STABLE
             database: mariadb
+            plugin-ci: ^4
 
           - php: 7.3
             moodle-branch: MOODLE_311_STABLE
             database: pgsql
+            plugin-ci: ^3
           - php: 7.3
             moodle-branch: MOODLE_311_STABLE
             database: mariadb
+            plugin-ci: ^3
           - php: 7.3
             moodle-branch: MOODLE_39_STABLE
             database: pgsql
+            plugin-ci: ^3
           - php: 7.3
             moodle-branch: MOODLE_39_STABLE
             database: mariadb
+            plugin-ci: ^3
 
           - php: 7.2
             moodle-branch: MOODLE_39_STABLE
             database: pgsql
+            plugin-ci: ^3
           - php: 7.2
             moodle-branch: MOODLE_39_STABLE
             database: mariadb
+            plugin-ci: ^3
 
     steps:
       - name: Check out repository code
@@ -145,7 +201,7 @@ 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 ${{ matrix.plugin-ci }}
           echo $(cd ci/bin; pwd) >> $GITHUB_PATH
           echo $(cd ci/vendor/bin; pwd) >> $GITHUB_PATH
           sudo locale-gen en_AU.UTF-8
@@ -163,11 +219,6 @@ jobs:
         if: ${{ always() }}
         run: moodle-plugin-ci phplint
 
-      - name: PHP Copy/Paste Detector
-        continue-on-error: true # This step will show errors but will not fail
-        if: ${{ always() }}
-        run: moodle-plugin-ci phpcpd
-
       - name: PHP Mess Detector
         continue-on-error: true # This step will show errors but will not fail
         if: ${{ always() }}
diff --git a/classes/privacy/provider.php b/classes/privacy/provider.php
index 7e9e7c3..386a9ef 100644
--- a/classes/privacy/provider.php
+++ b/classes/privacy/provider.php
@@ -39,7 +39,7 @@ class provider implements \core_privacy\local\metadata\null_provider {
      *
      * @return string
      */
-    public static function get_reason() : string {
+    public static function get_reason(): string {
         return 'privacy:metadata';
     }
 }