diff --git a/package-lock.json b/package-lock.json
index d9c880b1..79afd1cd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -49,7 +49,7 @@
         "three": "^0.161.0",
         "ts-jest": "^29.2.5",
         "typedoc": "^0.25.13",
-        "typescript": "^5.4.5"
+        "typescript": "^5.9.2"
       },
       "peerDependencies": {
         "three": "*"
@@ -12153,9 +12153,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -21410,9 +21410,9 @@
       }
     },
     "typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true
     },
     "unbox-primitive": {
diff --git a/package.json b/package.json
index e36d1510..aedbbafb 100644
--- a/package.json
+++ b/package.json
@@ -94,7 +94,7 @@
     "three": "^0.161.0",
     "ts-jest": "^29.2.5",
     "typedoc": "^0.25.13",
-    "typescript": "^5.4.5"
+    "typescript": "^5.9.2"
   },
   "publishConfig": {
     "access": "public",