diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index b1d22ca0..b98e843d 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -8,7 +8,7 @@ permissions: read-all
 
 jobs:
   Coverage:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2