diff --git a/.github/workflows/example.yml b/.github/workflows/example.yml
index 1ca7f09..29f913d 100644
--- a/.github/workflows/example.yml
+++ b/.github/workflows/example.yml
@@ -7,7 +7,7 @@ jobs:
 
   build:
     name: build
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     steps:
      - name: 下载 grub4dos efi 版最新源码
        uses: actions/checkout@v2