diff --git a/package-lock.json b/package-lock.json
index cbfa4ba..c86d67b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "jest": "^29.7.0",
         "markdown-it": "^12.3.2",
         "marked": "^4.0.10",
-        "typescript": "^4.9.5"
+        "typescript": "^5.9.3"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -7227,9 +7227,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.9.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
-      "integrity": "sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==",
+      "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",
       "peer": true,
@@ -7238,7 +7238,7 @@
         "tsserver": "bin/tsserver"
       },
       "engines": {
-        "node": ">=4.2.0"
+        "node": ">=14.17"
       }
     },
     "node_modules/uc.micro": {
diff --git a/package.json b/package.json
index f5ec728..cc3ab31 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,6 @@
     "jest": "^29.7.0",
     "markdown-it": "^12.3.2",
     "marked": "^4.0.10",
-    "typescript": "^4.9.5"
+    "typescript": "^5.9.3"
   }
 }