diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e3727b5..b59a3f4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
         php: ['7.4']
       fail-fast: false
     name: PHP ${{ matrix.php }}
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
       uses: actions/checkout@v1