diff --git a/package-lock.json b/package-lock.json
index 892ce5a..6645376 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "@types/node": "^16.4.6",
         "mocha": "^9.0.3",
         "ts-node": "^10.2.1",
-        "typescript": "^4.3.5"
+        "typescript": "^4.9.5"
       },
       "engines": {
         "node": "^12 || ^14 || ^16",
@@ -1326,9 +1326,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.3.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
-      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
+      "version": "4.9.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
+      "integrity": "sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -2475,9 +2475,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
-      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
+      "version": "4.9.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
+      "integrity": "sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==",
       "dev": true
     },
     "upath": {
diff --git a/package.json b/package.json
index c6829a0..4d2ce89 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@types/node": "^16.4.6",
     "mocha": "^9.0.3",
     "ts-node": "^10.2.1",
-    "typescript": "^4.3.5"
+    "typescript": "^4.9.5"
   },
   "engines": {
     "node": "^12 || ^14 || ^16",