diff --git a/DIRECTORY.md b/DIRECTORY.md
index 4e12d72..e11a6ed 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -58,6 +58,7 @@
     * [Arrays Intersection](https://github.com/TheAlgorithms/Ruby/blob/master/data_structures/hash_table/arrays_intersection.rb)
     * [Common Characters](https://github.com/TheAlgorithms/Ruby/blob/master/data_structures/hash_table/common_characters.rb)
     * [Find All Duplicates In An Array](https://github.com/TheAlgorithms/Ruby/blob/master/data_structures/hash_table/find_all_duplicates_in_an_array.rb)
+    * [Fizz Buzz](https://github.com/TheAlgorithms/Ruby/blob/master/data_structures/hash_table/fizz_buzz.rb)
     * [Good Pairs](https://github.com/TheAlgorithms/Ruby/blob/master/data_structures/hash_table/good_pairs.rb)
     * [Isomorphic Strings](https://github.com/TheAlgorithms/Ruby/blob/master/data_structures/hash_table/isomorphic_strings.rb)
     * [Richest Customer Wealth](https://github.com/TheAlgorithms/Ruby/blob/master/data_structures/hash_table/richest_customer_wealth.rb)