diff --git a/.github/workflows/build-standalone.yml b/.github/workflows/build-standalone.yml
index df1adc2..4e2f654 100644
--- a/.github/workflows/build-standalone.yml
+++ b/.github/workflows/build-standalone.yml
@@ -10,7 +10,7 @@ jobs:
   publish-standalone:
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-latest]
+        os: [macos-latest, ubuntu-18.04]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2