diff --git a/.github/workflows/ui-patterns-tests.yml b/.github/workflows/ui-patterns-tests.yml
index 4b75674a3d7..4c2655def57 100644
--- a/.github/workflows/ui-patterns-tests.yml
+++ b/.github/workflows/ui-patterns-tests.yml
@@ -40,5 +40,13 @@ jobs:
       - name: Install deps
         run: pnpm install --frozen-lockfile
 
+      - name: Validate exports
+        run: |
+          pnpm --filter ui-patterns gen:exports
+          if ! git diff --ignore-space-at-eol --exit-code --quiet packages/ui-patterns/package.json then
+            echo "Detected uncommitted changes after build. Run pnpm --filter ui-patterns gen:exports to fix it."
+            git diff
+            exit 1
+          fi
       - name: Run tests
         run: pnpm run test:ui-patterns