diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 41d22bd..f72846e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,10 +23,12 @@ jobs:
           node-version: '20'
 
       - name: Install Dependencies
-        run: npm install
+        run: yarn install
+        working-directory: src/frontend
 
       - name: Format Frontend
-        run: npm run format
+        run: yarn format
+        working-directory: src/frontend
 
       - name: Post Formatting Check
         run: git diff --exit-code
@@ -56,7 +58,7 @@ jobs:
       - name: Format Backend
         run: |
           cd src/core
-          sh scripts/format.sh
+          black .
 
       - name: Post Formatting Check
         run: git diff --exit-code