diff --git a/.github/workflows/document.yml b/.github/workflows/document.yml
index 57dc1375..671cdb0b 100644
--- a/.github/workflows/document.yml
+++ b/.github/workflows/document.yml
@@ -2,7 +2,7 @@ name: Document
 on: [push, pull_request]
 jobs:
   all:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps: