diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 327ed81..2e7328e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
 jobs:
   PHPUnit:
     name: PHPUnit (PHP ${{ matrix.php }})
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         php: