diff --git a/package.json b/package.json
index d1be32c4..9554d6e3 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "keycode": "^2.1.9",
     "lodash": "^4.17.15",
     "match-sorter": "2.2.1",
-    "mobx": "^4.5.0",
+    "mobx": "^4.5.0 && <= 4.15.4",
     "mobx-react": "^6.1.4",
     "mobx-state-tree": "^3.7.0",
     "moment": "^2.19.3",