diff --git a/.github/workflows/deploy_functions.yml b/.github/workflows/deploy_functions.yml
index c29e9db..dfb9faa 100644
--- a/.github/workflows/deploy_functions.yml
+++ b/.github/workflows/deploy_functions.yml
@@ -33,11 +33,11 @@ jobs:
         with:
           node-version: 19.7.0
 
-      # Step 4: Create Service Account Key and Set Env Variables
-      # - name: Create SA key and set env variables
-      #   run: |
-      #     echo '${{ secrets.FIREBASE_SERVICE_ACCOUNT_SCHEMESSG_V3_DEV }}' > ${{ runner.temp }}/gcloud.json
-      #     echo "GOOGLE_APPLICATION_CREDENTIALS=${{ runner.temp }}/gcloud.json" >> $GITHUB_ENV
+      Step 4: Create Service Account Key and Set Env Variables
+      - name: Create SA key and set env variables
+        run: |
+          echo '${{ secrets.FIREBASE_SERVICE_ACCOUNT_SCHEMESSG_V3_DEV }}' > ${{ runner.temp }}/gcloud.json
+          echo "GOOGLE_APPLICATION_CREDENTIALS=${{ runner.temp }}/gcloud.json" >> $GITHUB_ENV
 
       # Step 5: Prepare the environment
       - name: Prepare the environment
@@ -51,6 +51,6 @@ jobs:
       # Step 6: deploy functions
       - name: Deploy functions
         working-directory: backend
-        # env:
-          # GOOGLE_APPLICATION_CREDENTIALS: ${{ runner.temp }}/gcloud.json
+        env:
+          GOOGLE_APPLICATION_CREDENTIALS: ${{ runner.temp }}/gcloud.json
         run: npx firebase-tools deploy --only functions --debug --token "${{ secrets.FIREBASE_TOKEN_SCHEMESSG_V3_DEV }}"