diff --git a/client/package.json b/client/package.json
index a4be239..dffefaa 100644
--- a/client/package.json
+++ b/client/package.json
@@ -62,7 +62,7 @@
     "tslint-config-prettier": "1.18.0",
     "tslint-config-standard": "8.0.1",
     "tslint-plugin-prettier": "2.0.1",
-    "typescript": "3.3.3",
+    "typescript": "3.4.5",
     "webpack": "4.29.3",
     "webpack-cli": "3.2.3",
     "webpack-dev-server": "3.1.14"
diff --git a/client/yarn.lock b/client/yarn.lock
index d606d19..7c137ab 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -8458,10 +8458,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-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==
+typescript@3.4.5:
+  version "3.4.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.5.tgz#2d2618d10bb566572b8d7aad5180d84257d70a99"
+  integrity sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw==
 
 ua-parser-js@^0.7.18:
   version "0.7.19"