diff --git a/DIRECTORY.md b/DIRECTORY.md
index f93547264..75bb66f19 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -25,6 +25,7 @@
     * [Cll](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/data_structure/cll/cll.cpp)
     * [Cll](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/data_structure/cll/cll.h)
     * [Main Cll](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/data_structure/cll/main_cll.cpp)
+  * [Disjoint Set](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/data_structure/disjoint_set.cpp)
   * [Doubly Linked List](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/data_structure/Doubly%20Linked%20List.cpp)
   * [Linked List](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/data_structure/Linked%20List.cpp)
   * [Linkedlist Implentation Usingarray](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/data_structure/linkedList_implentation_usingArray.cpp)