diff --git a/package.json b/package.json
index 7ecf9ae..617f0c0 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
   },
   "dependencies": {
     "html-minifier": "^3.5.16",
+    "shimport": "^0.0.4",
     "source-map-support": "^0.5.6",
     "tslib": "^1.9.1"
   },