diff --git a/packages/vscode-import-cost/package.json b/packages/vscode-import-cost/package.json
index 67eb9e2..83397f3 100644
--- a/packages/vscode-import-cost/package.json
+++ b/packages/vscode-import-cost/package.json
@@ -160,7 +160,7 @@
     ]
   },
   "scripts": {
-    "pretest": "webpack -c ./webpack.browser.js && webpack -c ./webpack.electron.js",
+    "pretest": "webpack -c ./webpack.browser.js && webpack -c ./webpack.electron.js && vsce package -o dist --yarn",
     "test": "node ./test/index.js"
   },
   "devDependencies": {