diff --git a/.github/workflows/firebase-hosting-merge.yml b/.github/workflows/firebase-hosting-merge.yml
index 0e8a439..591a729 100644
--- a/.github/workflows/firebase-hosting-merge.yml
+++ b/.github/workflows/firebase-hosting-merge.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v2
       - run: npm install
       - run: npm run build
-      - run: cd functions && npm run build
+      - run: cd functions && npm install
       - run: cd ..
       - uses: FirebaseExtended/action-hosting-deploy@v0
         with:
diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index ae077d3..84186ff 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v2
       - run: npm install
       - run: npm run build
-      - run: cd functions && npm run build
+      - run: cd functions && npm install
       - run: cd ..
       - uses: FirebaseExtended/action-hosting-deploy@v0
         with: