diff --git a/ui/package.json b/ui/package.json
index b17a84779..23bd22901 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -22,7 +22,7 @@
     "lodash.debounce": "4.0.8",
     "lodash.throttle": "4.1.1",
     "lodash.uniqueid": "4.0.1",
-    "mobx": "5.9.0",
+    "mobx": "5.9.4",
     "mobx-react": "5.4.3",
     "mobx-stored": "1.1.0",
     "moment": "2.24.0",
diff --git a/ui/yarn.lock b/ui/yarn.lock
index e03fc97a5..c7573d59b 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -7407,10 +7407,10 @@ mobx-stored@1.1.0:
     lodash.merge "^4.6.1"
     traverse "^0.6.6"
 
-mobx@5.9.0:
-  version "5.9.0"
-  resolved "https://registry.yarnpkg.com/mobx/-/mobx-5.9.0.tgz#a08edd7132787f771409c9c33788a5df66ff7ce7"
-  integrity sha512-D3mY1uM3H9BP5duk5tTanrOq92yqetYKsprPJWvkKDrbs+fro59xrpWX+vtr10YoLgJIFz+a4A8lI+4YtqmCUQ==
+mobx@5.9.4:
+  version "5.9.4"
+  resolved "https://registry.yarnpkg.com/mobx/-/mobx-5.9.4.tgz#1dee92aba33f67b7baeeb679e3bd376a12e55812"
+  integrity sha512-L9JjTX2rtQUAhCIgnHokfntNOsF14uioT9LqStf6Mya+16j56ZBe21E8Y9V59tfr2aH2kLQPD10qtCJXBuTAxw==
 
 moment@2.24.0:
   version "2.24.0"