diff --git a/packages/builder/package.json b/packages/builder/package.json
index 312e6b249a..0f66480972 100644
--- a/packages/builder/package.json
+++ b/packages/builder/package.json
@@ -50,6 +50,7 @@
     "safe-buffer": "^5.1.2",
     "shortid": "^2.2.8",
     "string_decoder": "^1.2.0",
+    "svelte-simple-modal": "^0.3.0",
     "uikit": "^3.1.7"
   },
   "devDependencies": {