diff --git a/.github/workflows/nightly.yaml b/.github/workflows/nightly.yaml
index 94f41471c7..23e8f011c9 100644
--- a/.github/workflows/nightly.yaml
+++ b/.github/workflows/nightly.yaml
@@ -8,6 +8,7 @@ on:
 
 jobs:
   nightly:
+    if: github.repository == "shipwright-io/build"
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index ebd3da76b7..71444ff07f 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -12,6 +12,7 @@ on:
 
 jobs:
   release:
+    if: github.repository == "shipwright-io/build"
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code