diff --git a/package.json b/package.json
index 0f21b14..f50c68a 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
         "chai": "4.3.10",
         "ct-mapapps-browser-sync": "0.0.41",
         "ct-mapapps-gulp-js": "0.10.3",
+        "dompurify": "~3.1.0",
         "eslint-config-ct-prodeng": "1.4.0",
         "license-checker": "25.0.1",
         "mocha": "10.2.0",