Update scorecards-analysis.yml
diff --git a/.github/workflows/scorecards-analysis.yml b/.github/workflows/scorecards-analysis.yml
index 7c13280..45311d3 100644
--- a/.github/workflows/scorecards-analysis.yml
+++ b/.github/workflows/scorecards-analysis.yml
@@ -29,7 +29,7 @@
   analysis:
 
     name: "Scorecards analysis"
-    runs-on: ubuntu
+    runs-on: ubuntu-20.04
     permissions:
       # Needed to upload the results to the code-scanning dashboard.
       security-events: write