diff --git a/.github/workflows/update-master-docs.yml b/.github/workflows/update-master-docs.yml
index 22eba342..6be295c7 100644
--- a/.github/workflows/update-master-docs.yml
+++ b/.github/workflows/update-master-docs.yml
@@ -16,6 +16,7 @@ on:
 
 jobs:
   build:
+    if: ${{ secrets.SSH_KEY_SECRET }} != ${{ '' }}
     runs-on: ubuntu-18.04
     steps:
       - name: Checkout rgbds@master