diff --git a/.github/workflows/moodle-ci.yml b/.github/workflows/moodle-ci.yml
index ab0c86c..5c0a5ae 100644
--- a/.github/workflows/moodle-ci.yml
+++ b/.github/workflows/moodle-ci.yml
@@ -36,16 +36,24 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['8.0', '8.1', '8.2']
-        moodle-branch: ['MOODLE_401_STABLE', 'MOODLE_402_STABLE', 'MOODLE_403_STABLE', 'MOODLE_404_STABLE', 'main']
+        php: ['8.0', '8.1', '8.2', '8.3']
+        moodle-branch: ['MOODLE_401_STABLE', 'MOODLE_402_STABLE', 'MOODLE_403_STABLE', 'MOODLE_404_STABLE', 'MOODLE_405_STABLE', 'main']
         database: [pgsql, mariadb]
         include:
           - {moodle-branch: 'MOODLE_401_STABLE', php: '7.4', database: 'pgsql'}
         exclude:
           - {moodle-branch: 'MOODLE_401_STABLE', php: '8.2', database: 'pgsql'}
           - {moodle-branch: 'MOODLE_401_STABLE', php: '8.2', database: 'mariadb'}
+          - {moodle-branch: 'MOODLE_401_STABLE', php: '8.3', database: 'pgsql'}
+          - {moodle-branch: 'MOODLE_401_STABLE', php: '8.3', database: 'mariadb'}
+          - {moodle-branch: 'MOODLE_402_STABLE', php: '8.3', database: 'pgsql'}
+          - {moodle-branch: 'MOODLE_402_STABLE', php: '8.3', database: 'mariadb'}
+          - {moodle-branch: 'MOODLE_403_STABLE', php: '8.3', database: 'pgsql'}
+          - {moodle-branch: 'MOODLE_403_STABLE', php: '8.3', database: 'mariadb'}
           - {moodle-branch: 'MOODLE_404_STABLE', php: '8.0', database: 'pgsql'}
           - {moodle-branch: 'MOODLE_404_STABLE', php: '8.0', database: 'mariadb'}
+          - {moodle-branch: 'MOODLE_405_STABLE', php: '8.0', database: 'pgsql'}
+          - {moodle-branch: 'MOODLE_405_STABLE', php: '8.0', database: 'mariadb'}
           - {moodle-branch: 'main', php: '8.0', database: 'pgsql'}
           - {moodle-branch: 'main', php: '8.0', database: 'mariadb'}