diff --git a/package-lock.json b/package-lock.json
index bbe06be..f331cc5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "@sveltejs/vite-plugin-svelte": "^5.0.3",
         "svelte": "^5.20.4",
         "svelte-check": "^4.1.4",
-        "typescript": "^5.7.3",
+        "typescript": "^5.9.3",
         "vite": "^6.3.5"
       }
     },
@@ -1457,9 +1457,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.7.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz",
-      "integrity": "sha512-84MVSjMEHP+FQRPy3pX9sTVV/INIex71s9TL2Gm5FG/WG1SqXeKyZ0k7/blY/4FdOzI12CBy1vGc4og/eus0fw==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 59177a2..927fd9e 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@sveltejs/vite-plugin-svelte": "^5.0.3",
     "svelte": "^5.20.4",
     "svelte-check": "^4.1.4",
-    "typescript": "^5.7.3",
+    "typescript": "^5.9.3",
     "vite": "^6.3.5"
   },
   "dependencies": {