diff --git a/package-lock.json b/package-lock.json
index 6f6b5fb..1a520cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15707,9 +15707,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.7",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
-      "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==",
+      "version": "3.9.9",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.9.tgz",
+      "integrity": "sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==",
       "dev": true
     },
     "unbzip2-stream": {
diff --git a/package.json b/package.json
index a6179aa..f12792b 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "ts-node": "^8.10.2",
     "tslint": "^6.1.2",
     "tslint-config-prettier": "^1.18.0",
-    "typescript": "^3.9.7"
+    "typescript": "^3.9.9"
   },
   "dependencies": {
     "@hapi/joi": "^17.1.1",