diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 4dd98d4..6bae42a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,6 +14,7 @@ jobs:
     strategy:
       matrix:
         node-version: [16.x, 18.x, 20.x]
+        eslint-version: [8.x, 9.x]
 
     steps:
     - uses: actions/checkout@v2
@@ -21,6 +22,8 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
+    - name: Install ESLint ${{ matrix.eslint-version }}
+        run: npm install eslint@${{ matrix.eslint-version }}
     - run: npm install
     - run: npm test
       env: