diff --git a/DIRECTORY.md b/DIRECTORY.md
index 63305a5a8..bb140b7c5 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -68,6 +68,7 @@
   * [Longest Common Subsequence](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/dynamic_programming/longest_common_subsequence.cpp)
   * [Longest Increasing Subsequence](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/dynamic_programming/longest_increasing_subsequence.cpp)
   * [Longest Increasing Subsequence (Nlogn)](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/dynamic_programming/longest_increasing_subsequence_(nlogn).cpp)
+  * [Longest Palindromic Subsequence](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/dynamic_programming/longest_palindromic_subsequence.cpp)
   * [Matrix Chain Multiplication](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/dynamic_programming/matrix_chain_multiplication.cpp)
   * [Palindrome Partitioning](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/dynamic_programming/palindrome_partitioning.cpp)
   * [Searching Of Element In Dynamic Array](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/dynamic_programming/searching_of_element_in_dynamic_array.cpp)