diff --git a/website/package-lock.json b/website/package-lock.json
index 706d49f5..5b6a7288 100644
--- a/website/package-lock.json
+++ b/website/package-lock.json
@@ -57,6 +57,7 @@
             "version": "1.0.0",
             "dependencies": {
                 "fast-xml-parser": "^4.3.6",
+                "immer": "^10.1.1",
                 "ts-node": "^10.9.2"
             },
             "devDependencies": {