diff --git a/DIRECTORY.md b/DIRECTORY.md
index ea7ed6779..62cf0aca5 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -2,6 +2,7 @@
 ## Backtracking
   * [Graph Coloring](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/backtracking/graph_coloring.cpp)
   * [Knight Tour](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/backtracking/knight_tour.cpp)
+  * [Magic Sequence](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/backtracking/magic_sequence.cpp)
   * [Minimax](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/backtracking/minimax.cpp)
   * [N Queens](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/backtracking/n_queens.cpp)
   * [N Queens All Solution Optimised](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/backtracking/n_queens_all_solution_optimised.cpp)