diff --git a/package.json b/package.json
index 8f7630b..5275bb2 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "rollup-plugin-postcss-lit": "^2.2.0",
     "sass": "^1.99.0",
     "storybook": "^10.3.6",
-    "typescript": "^5.8.3",
+    "typescript": "^6.0.3",
     "vite": "^6.4.1",
     "vitest": "3.2.4",
     "wait-for-expect": "^3.0.2"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 512cbfb..f70f579 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -100,8 +100,8 @@ importers:
         specifier: ^10.3.6
         version: 10.3.6(@testing-library/dom@10.4.1)(prettier@3.8.3)(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
       typescript:
-        specifier: ^5.8.3
-        version: 5.9.3
+        specifier: ^6.0.3
+        version: 6.0.3
       vite:
         specifier: ^6.4.1
         version: 6.4.2(@types/node@25.6.0)(sass@1.99.0)(stylus@0.58.1)(terser@5.46.1)(yaml@2.8.3)
@@ -1996,8 +1996,8 @@ packages:
   tslib@2.8.1:
     resolution: {integrity: sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==}
 
-  typescript@5.9.3:
-    resolution: {integrity: sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==}
+  typescript@6.0.3:
+    resolution: {integrity: sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==}
     engines: {node: '>=14.17'}
     hasBin: true
 
@@ -3966,7 +3966,7 @@ snapshots:
 
   tslib@2.8.1: {}
 
-  typescript@5.9.3: {}
+  typescript@6.0.3: {}
 
   undici-types@7.19.2: {}