diff --git a/package-lock.json b/package-lock.json
index bcb4e2cc..1c08b928 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "@types/pako": "^2.0.4",
         "pkg": "^5.8.1",
         "prettier": "^3.3.3",
-        "typescript": "5.8.3"
+        "typescript": "5.9.3"
       },
       "optionalDependencies": {
         "asn1js": "^3.0.5",
@@ -5632,9 +5632,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "devOptional": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 489aeab8..f8ccfdf7 100755
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "@types/pako": "^2.0.4",
     "pkg": "^5.8.1",
     "prettier": "^3.3.3",
-    "typescript": "5.8.3"
+    "typescript": "5.9.3"
   },
   "optionalDependencies": {
     "asn1js": "^3.0.5",