diff --git a/.github/workflows/build-pullrequest.yml b/.github/workflows/build-pullrequest.yml
index 362cf1fb3b4..7b5e3c59b8c 100644
--- a/.github/workflows/build-pullrequest.yml
+++ b/.github/workflows/build-pullrequest.yml
@@ -9,7 +9,7 @@ permissions:
 jobs:
   build-java:
     if: "!contains(github.event.head_commit.message, 'ci skip')"
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
         with: