diff --git a/README.md b/README.md
index bdf2904..93e487c 100644
--- a/README.md
+++ b/README.md
@@ -206,6 +206,7 @@ My LeetCode solutions with Chinese explanation. 我的LeetCode中文题解。
 | 328 |[Odd Even Linked List](https://leetcode.com/problems/odd-even-linked-list/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/328.%20Odd%20Even%20Linked%20List.md)|Medium|  |
 | 331 |[Verify Preorder Serialization of a Binary Tree](https://leetcode.com/problems/verify-preorder-serialization-of-a-binary-tree/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/331.%20Verify%20Preorder%20Serialization%20of%20a%20Binary%20Tree.md)|Medium|  |
 | 332 |[Reconstruct Itinerary](https://leetcode.com/problems/reconstruct-itinerary/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/332.%20Reconstruct%20Itinerary.md)|Medium|  |
+| 334 |[Increasing Triplet Subsequence](https://leetcode.com/problems/increasing-triplet-subsequence/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/334.%20Increasing%20Triplet%20Subsequence.md)|Medium|  |
 | 342 |[Power of Four](https://leetcode.com/problems/power-of-four)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/342.%20Power%20of%20Four.md)|Easy|  |
 | 344 |[Reverse String](https://leetcode.com/problems/reverse-string)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/344.%20Reverse%20String.md)|Easy|  |
 | 345 |[Reverse Vowels of a String](https://leetcode.com/problems/reverse-vowels-of-a-string)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/345.%20Reverse%20Vowels%20of%20a%20String.md)|Easy|  |