diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 94c02ab..fb9b189 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -17,9 +17,14 @@ jobs:
           - "7.3"
           - "7.4"
           - "8.0"
+          - "8.1"
+          - "8.2"
+          - "8.3"
+          - "8.4"
+          - "8.5"
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -35,7 +40,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}