diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3712baafa..2548bfa4d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,7 +11,7 @@ on:
 jobs:
   test:
     name: PHP ${{ matrix.php }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -31,6 +31,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
 
     env:
       MYSQL_USER: "zftest"