diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 00000000..f74d02d7
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,19 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+			"type": "node",
+			"request": "launch",
+			"name": "Gulp Release",
+			"program": "${workspaceFolder}/node_modules/gulp/bin/gulp.js",
+			"stopOnEntry": true,
+			"args": [
+				"release"
+			],
+			"cwd": "${workspaceFolder}"
+		},
+    ]
+}
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index 3310b1e0..e27ef04f 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -262,7 +262,7 @@ function ESM_pluginStream(plugin, destinationPath) {
 
 					const myFileDestPath = path.join(DESTINATION, plugin.modulePrefix, data.relative);
 					const importFilePath = path.join(DESTINATION, importText.substr('monaco-editor-core/esm/'.length));
-					let relativePath = path.relative(path.dirname(myFileDestPath), importFilePath);
+					let relativePath = path.relative(path.dirname(myFileDestPath), importFilePath).replace(/\\/g, '/');
 					if (!/(^\.\/)|(^\.\.\/)/.test(relativePath)) {
 						relativePath = './' + relativePath;
 					}
@@ -286,7 +286,7 @@ function ESM_pluginStream(plugin, destinationPath) {
 
 			const myFileDestPath = path.join(DESTINATION, plugin.modulePrefix, data.relative);
 			const apiFilePath = path.join(DESTINATION, 'vs/editor/editor.api');
-			let relativePath = path.relative(path.dirname(myFileDestPath), apiFilePath);
+			let relativePath = path.relative(path.dirname(myFileDestPath), apiFilePath).replace(/\\/g, '/');
 			if (!/(^\.\/)|(^\.\.\/)/.test(relativePath)) {
 				relativePath = './' + relativePath;
 			}
@@ -360,7 +360,7 @@ function ESM_addPluginContribs(dest) {
 		metadata.METADATA.PLUGINS.forEach(function(plugin) {
 			const contribDestPath = path.join(DESTINATION, plugin.contrib);
 
-			let relativePath = path.relative(path.dirname(mainFileDestPath), contribDestPath);
+			let relativePath = path.relative(path.dirname(mainFileDestPath), contribDestPath).replace(/\\/g, '/');
 			if (!/(^\.\/)|(^\.\.\/)/.test(relativePath)) {
 				relativePath = './' + relativePath;
 			}
diff --git a/package-lock.json b/package-lock.json
index e41815dd..13cb8b73 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2282,9 +2282,9 @@
       "dev": true
     },
     "monaco-typescript": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/monaco-typescript/-/monaco-typescript-3.3.0.tgz",
-      "integrity": "sha512-VxlmeaPa07+rnrQi00INcvlMoC/Y1poACSV0brs9EjKbF1DEdpEu9/NAeJmXXApv56ywXviaqtMkCI8JLvId+g==",
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/monaco-typescript/-/monaco-typescript-3.3.1.tgz",
+      "integrity": "sha512-sOnMeEgDQmwuwkcj/ElVZ7mF3d0HAiCINGWE9LyOH9wJCQNJaBqa+cSP+wnPiSWQnOshHZ+A2vsA8A7PyXls6Q==",
       "dev": true
     },
     "ms": {
diff --git a/package.json b/package.json
index ce128806..68583983 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "monaco-html": "2.3.0",
     "monaco-json": "2.3.0",
     "monaco-languages": "1.6.0",
-    "monaco-typescript": "3.3.0",
+    "monaco-typescript": "3.3.1",
     "rimraf": "^2.6.2",
     "typedoc": "^0.11.1",
     "typescript": "^3.0.1",