diff --git a/gui/package.json b/gui/package.json
index a4b4dc52..9b076bf0 100644
--- a/gui/package.json
+++ b/gui/package.json
@@ -28,6 +28,7 @@
   },
   "homepage": "https://freedata.app",
   "dependencies": {
+    "@popperjs/core": "^2.11.6",
     "blob-util": "^2.0.2",
     "bootstrap": "^5.2.1",
     "bootstrap-icons": "^1.9.1",