diff -r d7998288c2d8 -r a01e6a4dc9d2 client/package.json
--- a/client/package.json	Thu Jul 29 16:46:43 2021 +0200
+++ b/client/package.json	Thu Jul 29 19:04:01 2021 +0200
@@ -14,7 +14,7 @@
     "history": "^4.7.2",
     "i18next": "^12.1.0",
     "i18next-browser-languagedetector": "^2.2.3",
-    "immutable": "^4.0.0-rc.12",
+    "immutable": "^3.8.2",
     "jquery": "^3.3.1",
     "jwt-decode": "^2.2.0",
     "localforage": "^1.5.0",