diff --git a/DIRECTORY.md b/DIRECTORY.md
index 8c4de177f..b19534fa8 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -75,6 +75,7 @@
   * [Dijkstra](https://github.com/TheAlgorithms/Javascript/blob/master/Graphs/Dijkstra.js)
   * [DijkstraSmallestPath](https://github.com/TheAlgorithms/Javascript/blob/master/Graphs/DijkstraSmallestPath.js)
   * [KruskalMST](https://github.com/TheAlgorithms/Javascript/blob/master/Graphs/KruskalMST.js)
+  * [NumberOfIslands](https://github.com/TheAlgorithms/Javascript/blob/master/Graphs/NumberOfIslands.js)
   * [PrimMST](https://github.com/TheAlgorithms/Javascript/blob/master/Graphs/PrimMST.js)
 
 ## Hashes