diff --git a/package.json b/package.json
index 9b1da52c..aa4d05e0 100644
--- a/package.json
+++ b/package.json
@@ -123,7 +123,7 @@
     "hapi-auth-jwt2": "7.4.1",
     "history": "4.7.2",
     "http-proxy": "1.16.2",
-    "immutability-helper": "2.6.5",
+    "immutability-helper": "2.6.6",
     "inert": "4.2.1",
     "invariant": "2.2.3",
     "jsonwebtoken": "8.1.1",