diff --git a/lib/webpack.js b/lib/webpack.js
index 781483b74..65c0de44e 100644
--- a/lib/webpack.js
+++ b/lib/webpack.js
@@ -60,7 +60,6 @@ const webpack = (options, callback) => {
 	return compiler;
 };
 
-// @ts-ignore https://github.com/Microsoft/TypeScript/issues/15647#issuecomment-380514949
 exports = module.exports = webpack;
 exports.version = version;
 
diff --git a/package.json b/package.json
index 0baeeb607..9c9484663 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "simple-git": "^1.65.0",
     "sinon": "^2.3.2",
     "style-loader": "^0.19.1",
-    "typescript": "^2.9.0-dev.20180411",
+    "typescript": "^2.9.0-dev.20180412",
     "url-loader": "^0.6.2",
     "val-loader": "^1.0.2",
     "vm-browserify": "~0.0.0",
diff --git a/yarn.lock b/yarn.lock
index 9ca1c52fd..36e26be25 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4498,9 +4498,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@^2.9.0-dev.20180411:
-  version "2.9.0-dev.20180411"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.0-dev.20180411.tgz#0791768b1e4d4d10bfc8b84cdf1239050065c859"
+typescript@^2.9.0-dev.20180412:
+  version "2.9.0-dev.20180412"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.0-dev.20180412.tgz#5380b2afb44b720b0d8164f844b90ebd81948a7e"
 
 ua-parser-js@^0.7.9:
   version "0.7.17"