diff --git a/umap/static/umap/test/index.html b/umap/static/umap/test/index.html
index dd9685e0..be656135 100644
--- a/umap/static/umap/test/index.html
+++ b/umap/static/umap/test/index.html
@@ -22,6 +22,7 @@
     <script src="../vendors/formbuilder/Leaflet.FormBuilder.js"></script>
     <script src="../vendors/measurable/Leaflet.Measurable.js"></script>
     <script src="../vendors/locatecontrol/L.Control.Locate.js"></script>
+    <script src="../vendors/dompurify/purify.js"></script>
     <script src="../js/umap.core.js"></script>
     <script src="../js/umap.autocomplete.js"></script>
     <script src="../js/umap.popup.js"></script>