diff --git a/package.json b/package.json
index 3c58202..f87ae0e 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "tslint-config-prettier": "1.17.0",
     "tslint-immutable": "5.0.0",
     "tslint-react": "3.6.0",
-    "typescript": "3.2.4",
+    "typescript": "3.9.3",
     "typesync": "0.4.1"
   },
   "dependencies": {
diff --git a/yarn.lock b/yarn.lock
index 5cb7545..c71877b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7635,10 +7635,10 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@3.2.4:
-  version "3.2.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.2.4.tgz#c585cb952912263d915b462726ce244ba510ef3d"
-  integrity sha512-0RNDbSdEokBeEAkgNbxJ+BLwSManFy9TeXz8uW+48j/xhEXv1ePME60olyzw2XzUqUBNAYFeJadIqAgNqIACwg==
+typescript@3.9.3:
+  version "3.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
+  integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==
 
 typesync@0.4.1:
   version "0.4.1"