diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b6e2715..940b850 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       matrix:
-        operating-system: ['ubuntu-20.04', 'ubuntu-18.04']
+        operating-system: ['ubuntu-20.04', 'ubuntu-22.04']
         php-versions: ['7.0', '7.1', '7.2', '7.3', '7.4', '8.1', '8.2', '8.3', '8.4']
         phpunit-versions: ['latest']
     steps: