diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 9175f03..1938d87 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -31,11 +31,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Enable Corepack
+        run: corepack enable
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
           node-version: 20
-          cache: 'npm'
+          cache: 'yarn'
       - name: Install dependencies
         run: yarn install
       - name: Build
diff --git a/package.json b/package.json
index 34c154a..242717b 100644
--- a/package.json
+++ b/package.json
@@ -36,5 +36,6 @@
     "typescript": "^5.5.3",
     "typescript-eslint": "^8.10.0",
     "vite": "^5.4.9"
-  }
+  },
+  "packageManager": "yarn@4.5.1"
 }