diff --git a/DIRECTORY.md b/DIRECTORY.md
index a23fe67..dcf39f9 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -82,11 +82,19 @@
   * [Bubble Sort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/bubble_sort.rb)
   * [Bubble Sort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/bubble_sort_test.rb)
   * [Bucket Sort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/bucket_sort.rb)
+  * [Bucket Sort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/bucket_sort_test.rb)
   * [Heap Sort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/heap_sort.rb)
+  * [Heap Sort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/heap_sort_test.rb)
   * [Insertion Sort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/insertion_sort.rb)
+  * [Insertion Sort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/insertion_sort_test.rb)
   * [Merge Sort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/merge_sort.rb)
+  * [Merge Sort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/merge_sort_test.rb)
   * [Quicksort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/quicksort.rb)
+  * [Quicksort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/quicksort_test.rb)
   * [Radix Sort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/radix_sort.rb)
+  * [Radix Sort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/radix_sort_test.rb)
   * [Selection Sort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/selection_sort.rb)
+  * [Selection Sort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/selection_sort_test.rb)
   * [Shell Sort](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/shell_sort.rb)
+  * [Shell Sort Test](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/shell_sort_test.rb)
   * [Sort Tests](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/sort_tests.rb)