diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 759c6de..8513191 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,11 +9,11 @@ on:
 
 jobs:
     test-ruleset:
-        name: Test rules on PHP ${{ matrix.php-version }} 
+        name: Test rules on PHP ${{ matrix.php-version }}
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php-version: ["7.1", "7.2", "7.3", "7.4", "8.0"]
+                php-version: ["7.1", "7.2", "7.3", "7.4", "8.0", "8.1"]
         steps:
             - uses: actions/checkout@v2
             - name: Use php ${{ matrix.php-version }}