diff --git a/package-lock.json b/package-lock.json
index 41e80f1..676613e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4658,9 +4658,9 @@
       }
     },
     "typescript": {
-      "version": "3.7.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.2.tgz",
-      "integrity": "sha512-ml7V7JfiN2Xwvcer+XAf2csGO1bPBdRbFCkYBczNZggrBZ9c7G3riSUeJmqEU5uOtXNPMhE3n+R4FA/3YOAWOQ==",
+      "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 9eaf1d3..0f463ac 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,6 @@
     "jest": "24.9.0",
     "rimraf": "3.0.0",
     "ts-jest": "24.1.0",
-    "typescript": "3.7.2"
+    "typescript": "3.9.9"
   }
 }