diff --git a/.github/workflows/build-preview.yml b/.github/workflows/build-preview.yml
index 24111236..d0f33b80 100644
--- a/.github/workflows/build-preview.yml
+++ b/.github/workflows/build-preview.yml
@@ -22,7 +22,7 @@ jobs:
         with:
           repository: openstreetmap/iD
           path: './iD'
-      - run: npm install
+      - run: npm clean-install
         working-directory: './iD'
       - run: npm run all
         working-directory: './iD'