diff --git a/package.json b/package.json
index 8e40155..e4225ce 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "serverless": "1.33.1",
     "serverless-webpack": "5.3.0",
     "tslint": "5.17.0",
-    "typescript": "3.3.4000",
+    "typescript": "3.5.3",
     "webpack": "4.24.0",
     "webpack-node-externals": "1.7.2"
   },
diff --git a/yarn.lock b/yarn.lock
index 328755e..e8377bf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4608,10 +4608,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.3.4000:
-  version "3.3.4000"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.4000.tgz#76b0f89cfdbf97827e1112d64f283f1151d6adf0"
-  integrity sha512-jjOcCZvpkl2+z7JFn0yBOoLQyLoIkNZAs/fYJkUG6VKy6zLPHJGfQJYFHzibB6GJaF/8QrcECtlQ5cpvRHSMEA==
+typescript@3.5.3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
+  integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
 
 uglify-es@^3.3.4:
   version "3.3.9"