diff --git a/.github/workflows/phpunits.yaml b/.github/workflows/phpunits.yaml
index 8db9ae9f3..cc40f602e 100644
--- a/.github/workflows/phpunits.yaml
+++ b/.github/workflows/phpunits.yaml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: [7.4, 8.0]
+        php-versions: [7.4, 8.0, 8.1]
         databases: [testing, pgsql, mysql, mariadb]
         caches: [array, redis, memcached]
 
@@ -118,6 +118,7 @@ jobs:
           curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
           chmod +x ./cc-test-reporter
           ./cc-test-reporter before-build
+        if: ${{ matrix.php-versions == '8.0' }}
 
       - name: Run test suite
         run: |
@@ -136,6 +137,7 @@ jobs:
           CACHE_DRIVER: ${{ matrix.caches }}
           DB_CONNECTION: ${{ matrix.databases }}
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
+        if: ${{ matrix.php-versions == '8.0' }}
 
       - name: Send coverage
         run: |
@@ -144,3 +146,4 @@ jobs:
         env:
           CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        if: ${{ matrix.php-versions == '8.0' }}