diff --git a/package.json b/package.json
index 0d59059290..71df8facd5 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "test": "mocha --opts mocha.opts",
     "test:unit": "mocha --require sucrase/register --recursive src/**/__test__.ts",
     "quicktest": "mocha --opts mocha.opts",
-    "update-expected": "node -r sucrase/register ./test/js/update.ts && node -r sucrase/register ./test/parser/update.ts",
+    "update-expected": "rollup -c && node -r sucrase/register ./test/js/update.ts && node -r sucrase/register ./test/parser/update.ts",
     "precoverage": "c8 mocha --opts mocha.coverage.opts",
     "coverage": "c8 report --reporter=text-lcov > coverage.lcov && c8 report --reporter=html",
     "codecov": "codecov",