diff --git a/.github/workflows/pr_tests.yml b/.github/workflows/pr_tests.yml
index 99ee0abe..0dd7e2b3 100644
--- a/.github/workflows/pr_tests.yml
+++ b/.github/workflows/pr_tests.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php_version: ["8.1", "8.2", "8.3", "8.4", "latest"]
+        php_version: ["8.1", "8.2", "8.3", "8.4", "8.5", "latest"]
     runs-on: ubuntu-latest
 
     steps:
@@ -31,7 +31,7 @@ jobs:
       uses: php-actions/composer@v5
 
     - name: Run Tests
-      uses: php-actions/phpunit@v3
+      uses: php-actions/phpunit@v4
       with:
         version: 9.6.16
-        php_version: ${{ matrix.php_version }}
+        php_version: ${{ matrix.php_version }}
\ No newline at end of file