diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5738adb85..d9808e812e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,4 +14,6 @@ jobs:
   Acceptance:
     needs: Spec
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_acceptance.yml@main"
+    with:
+      flags: '--nightly'
     secrets: "inherit"
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index a28cd2db05..914084600a 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -13,5 +13,7 @@ jobs:
   Acceptance:
     needs: Spec
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_acceptance.yml@main"
+    with:
+      flags: '--nightly'
     secrets: "inherit"