diff --git a/package.json b/package.json
index 3e3baa0..2a6adf1 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "devDependencies": {
     "html-webpack-plugin": "^3.2.0",
     "ts-loader": "^5.3.3",
-    "typescript": "^3.2.2",
+    "typescript": "^3.3.3",
     "webpack": "^4.28.4",
     "webpack-cli": "^3.2.1",
     "webpack-serve": "^2.0.3"
diff --git a/yarn.lock b/yarn.lock
index db09199..04e6a89 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4112,10 +4112,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.2.2:
-  version "3.2.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.2.2.tgz#fe8101c46aa123f8353523ebdcf5730c2ae493e5"
-  integrity sha512-VCj5UiSyHBjwfYacmDuc/NOk4QQixbE+Wn7MFJuS0nRuPQbof132Pw4u53dm264O8LPc2MVsc7RJNml5szurkg==
+typescript@^3.3.3:
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.3.tgz#f1657fc7daa27e1a8930758ace9ae8da31403221"
+  integrity sha512-Y21Xqe54TBVp+VDSNbuDYdGw0BpoR/Q6wo/+35M8PAU0vipahnyduJWirxxdxjsAkS7hue53x2zp8gz7F05u0A==
 
 uglify-js@3.4.x:
   version "3.4.9"