diff --git a/.github/workflows/docbuild.yml b/.github/workflows/docbuild.yml
index 7af641b9545..f9bf48ff05a 100644
--- a/.github/workflows/docbuild.yml
+++ b/.github/workflows/docbuild.yml
@@ -27,7 +27,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
       cancel-in-progress: true