diff --git a/.github/workflows/code_checks.yaml b/.github/workflows/code_checks.yaml
index 11c3eef..7e888f8 100644
--- a/.github/workflows/code_checks.yaml
+++ b/.github/workflows/code_checks.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.2', '7.3', '7.4']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1']
       fail-fast: false
     name: PHPUnit (PHP ${{ matrix.php }})
     steps: