diff --git a/DIRECTORY.md b/DIRECTORY.md
index 37132246b..d627af28c 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -138,6 +138,7 @@
   * [Decimal To Roman Numeral](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/decimal_to_roman_numeral.cpp)
   * [Fast Interger Input](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/fast_interger_input.cpp)
   * [Fibonacci Fast](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/fibonacci_fast.cpp)
+  * [Fibonacci Large](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/fibonacci_large.cpp)
   * [Gcd Of N Numbers](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/gcd_of_n_numbers.cpp)
   * [Happy Number](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/happy_number.cpp)
   * [Large Factorial](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/large_factorial.cpp)