diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5738adb..900fda16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ on:
     branches:
       - "main"
   workflow_dispatch:
-    
+
 jobs:
   Spec:
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_ci.yml@main"
@@ -15,3 +15,5 @@ jobs:
     needs: Spec
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_acceptance.yml@main"
     secrets: "inherit"
+    with:
+      runs_on: "ubuntu-20.04"