diff --git a/package-lock.json b/package-lock.json
index f6d3aee4..1b726120 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11986,9 +11986,9 @@
       }
     },
     "typescript": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
-      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
+      "version": "3.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.3.tgz",
+      "integrity": "sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 00174ffe..f98517e0 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "ts-jest": "25.5.1",
     "tsc": "1.20150623.0",
     "tslib": "1.10.0",
-    "typescript": "3.8.3"
+    "typescript": "3.9.3"
   },
   "scripts": {
     "prettier:write": "prettier --single-quote --trailing-comma es5 --write src/**/*",