diff --git a/.build.yml b/.build.yml
index f2ace72..f6c87b2 100644
--- a/.build.yml
+++ b/.build.yml
@@ -8,6 +8,7 @@ sources:
 secrets:
   - b748582a-5d31-4fe8-94d6-4a63035e97aa
 tasks:
+  - check: git diff --exit-code origin/master
   - build: |
       cd redstrate.com
       hugo