diff --git a/README.md b/README.md
index 0f2782e..e4d5262 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,7 @@ _**Note:** Our group is currently taking a break from grinding leetcode. The tab
 | October 13, 2024 | [632](https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/632) | 🔴 Hard |
 | October 14, 2024 | [2530](https://leetcode.com/problems/maximal-score-after-applying-k-operations/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2530) | 🟡 Medium |
 | October 15, 2024 | [2938](https://leetcode.com/problems/separate-black-and-white-balls/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2938) | 🟡 Medium |
+| October 16, 2024 | [1405](https://leetcode.com/problems/longest-happy-string/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1405) | 🟡 Medium |
 
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