diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 83d7f78c..f9cbc482 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -26,7 +26,7 @@ jobs:
   # build-release-macos: # LF volunteer
 
   build-release-ubuntu1804:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     steps:
       - name: Set env
         run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV