diff --git a/package-lock.json b/package-lock.json
index 442bdbc..e6119a2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "@types/three": "0.173.0",
         "@vitejs/plugin-legacy": "^6.0.0",
         "terser": "^5.19.4",
-        "typescript": "5.7.3",
+        "typescript": "5.9.3",
         "vite": "6.0.11",
         "vite-plugin-glsl": "1.3.1"
       }
@@ -3670,9 +3670,9 @@
       "license": "MIT"
     },
     "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 ef526ea..bced28b 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@types/three": "0.173.0",
     "@vitejs/plugin-legacy": "^6.0.0",
     "terser": "^5.19.4",
-    "typescript": "5.7.3",
+    "typescript": "5.9.3",
     "vite": "6.0.11",
     "vite-plugin-glsl": "1.3.1"
   }