diff --git a/.github/workflows/test-docs-site-build.yml b/.github/workflows/test-docs-site-build.yml
index e080de95..1f7e0735 100644
--- a/.github/workflows/test-docs-site-build.yml
+++ b/.github/workflows/test-docs-site-build.yml
@@ -34,3 +34,10 @@ jobs:
         run: |
           cd docs-site~
           yarn install --immutable
+
+      - name: Display diff on failure
+        if: ${{ failure() }}
+        run: |
+          cd docs-site~
+          yarn install && git diff
+