diff --git a/package-lock.json b/package-lock.json
index 8a8bace1f1b..7b50913d53f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20960,9 +20960,9 @@
       }
     },
     "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
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 1dc54eb8621..6705670a0b7 100644
--- a/package.json
+++ b/package.json
@@ -128,7 +128,7 @@
     "supertest": "6.1.3",
     "test-listen": "1.1.0",
     "ts-jest": "26.5.1",
-    "typescript": "3.9.7",
+    "typescript": "3.9.9",
     "winston": "3.3.3",
     "winston-transport": "4.4.0",
     "ws": "6.2.1"