diff --git a/package-lock.json b/package-lock.json
index 451da5a..47c8b86 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -70,7 +70,7 @@
         "prettier": "3.8.1",
         "react-resizable-panels": "^3.0.6",
         "tailwindcss": "^3.4.19",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.2",
         "typescript-eslint": "^8.58.0",
         "vite": "^8.0.3",
         "yorkie": "^2.0.0"
@@ -9870,9 +9870,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 3b79d39..5b09e2f 100644
--- a/package.json
+++ b/package.json
@@ -94,7 +94,7 @@
     "prettier": "3.8.1",
     "react-resizable-panels": "^3.0.6",
     "tailwindcss": "^3.4.19",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.2",
     "typescript-eslint": "^8.58.0",
     "vite": "^8.0.3",
     "yorkie": "^2.0.0"
diff --git a/tsconfig.json b/tsconfig.json
index 11d3612..58af539 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,11 +1,10 @@
 {
   "compilerOptions": {
     "target": "es2022",
-    "lib": ["dom", "dom.iterable", "esnext"],
+    "lib": ["dom", "esnext"],
+    "types": ["vite/client"],
     "allowJs": true,
     "skipLibCheck": true,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
     "strict": true,
     "forceConsistentCasingInFileNames": true,
     "noFallthroughCasesInSwitch": true,