diff --git a/DIRECTORY.md b/DIRECTORY.md
index 82787cad4..55840c7bb 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -201,6 +201,7 @@
 
 ## Range Queries
   * [Fenwick Tree](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/range_queries/fenwick_tree.cpp)
+  * [Heavy Light Decomposition](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/range_queries/heavy_light_decomposition.cpp)
   * [Mo](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/range_queries/mo.cpp)
   * [Segtree](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/range_queries/segtree.cpp)