diff --git a/vscode-ext/webpack.config.js b/vscode-ext/webpack.config.js
index f872397..0fd0ed0 100644
--- a/vscode-ext/webpack.config.js
+++ b/vscode-ext/webpack.config.js
@@ -44,6 +44,7 @@ module.exports = {
   output: {
     filename: 'extension.js',
     path: path.resolve(__dirname, 'dist'),
+    libraryTarget: 'commonjs',
     devtoolModuleFilenameTemplate: '../[resource-path]'
   },
   devtool: 'nosources-source-map',