diff --git a/package.json b/package.json
index 9536e76..6972a7e 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "svelte-check": "^4.3.1",
     "svelte-preprocess": "^6.0.3",
     "tslib": "^2.8.1",
-    "typescript": "^5.8.3",
+    "typescript": "^5.9.3",
     "vite": "^5.4.18"
   },
   "type": "module",
diff --git a/yarn.lock b/yarn.lock
index 5e25a30..42cdd9c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -971,10 +971,10 @@ tslib@^2.8.1:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.8.1.tgz#612efe4ed235d567e8aba5f2a5fab70280ade83f"
   integrity sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==
 
-typescript@^5.8.3:
-  version "5.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.8.3.tgz#92f8a3e5e3cf497356f4178c34cd65a7f5e8440e"
-  integrity sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==
+typescript@^5.9.3:
+  version "5.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
+  integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
 
 vite@^5.4.18:
   version "5.4.18"