diff --git a/contents/_components/QuestionGroups.json b/contents/_components/QuestionGroups.json
index 1b474b12..65acb712 100644
--- a/contents/_components/QuestionGroups.json
+++ b/contents/_components/QuestionGroups.json
@@ -105,7 +105,7 @@
       "url": "https://leetcode.com/problems/maximum-subarray",
       "duration": 20,
       "epi": null,
-      "difficulty": "Easy",
+      "difficulty": "Medium",
       "id": 53,
       "topic": "dynamic-programming",
       "routines": []