diff --git a/package.json b/package.json
index 6514f97..18686ba 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "tslint-etc": "1.10.1",
     "tslint-microsoft-contrib": "6.2.0",
     "tslint-sonarts": "1.9.0",
-    "typescript": "3.8.3"
+    "typescript": "3.9.3"
   },
   "nyc": {
     "extends": "@istanbuljs/nyc-config-typescript"
diff --git a/yarn.lock b/yarn.lock
index 12264b4..d38abda 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4142,10 +4142,10 @@ typedarray@^0.0.6:
   resolved "https://artifacts.apextoaster.com/repository/group-npm/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.8.3:
-  version "3.8.3"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
+typescript@3.9.3:
+  version "3.9.3"
+  resolved "https://artifacts.apextoaster.com/repository/group-npm/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
+  integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==
 
 typescript@^3.0.0:
   version "3.6.3"