diff --git a/.github/workflows/lint-format.yml b/.github/workflows/lint-format.yml
index 511196c..ac13300 100644
--- a/.github/workflows/lint-format.yml
+++ b/.github/workflows/lint-format.yml
@@ -15,24 +15,18 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: oven-sh/setup-bun@v2
         with:
-          node-version: "24"
-          cache: "npm"
-
-      - name: Enable corepack and install npm
-        run: |
-          corepack enable
-          corepack prepare npm@latest --activate
+          bun-version: latest
 
       - name: Install dependencies
-        run: npm install --frozen-lockfile
+        run: bun install
 
       - name: Run ESLint
-        run: npm lint
+        run: bun run lint
 
       - name: Run Prettier check
-        run: npm format:check
+        run: bun run format:check
 
   format:
     name: Auto-format (eslint --fix)
@@ -46,24 +40,18 @@ jobs:
           persist-credentials: true
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: oven-sh/setup-bun@v2
         with:
-          node-version: "24"
-          cache: "npm"
-
-      - name: Enable corepack and install npm
-        run: |
-          corepack enable
-          corepack prepare npm@latest --activate
+          bun-version: latest
 
       - name: Install dependencies
-        run: npm install --frozen-lockfile
+        run: bun install
 
       - name: Run Prettier --write
-        run: npm format
+        run: bun run format
 
       - name: Run ESLint --fix
-        run: npm lint:fix
+        run: bun run lint:fix
 
       - name: Commit & push fixes
         run: |