diff --git a/DIRECTORY.md b/DIRECTORY.md
index 9083ed56..283a0f45 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -217,6 +217,8 @@
     * [Haversine](https://github.com/bellshade/Python/blob/main/implementation/geodesy_egineering/haversine.py)
   * Graphic
     * [Bezier Curve](https://github.com/bellshade/Python/blob/main/implementation/graphic/bezier_curve.py)
+  * Image Processing
+    * [Gambar Sepia](https://github.com/bellshade/Python/blob/main/implementation/image_processing/gambar_sepia.py)
   * Linear Algebra
     * [Conjugate Gradient](https://github.com/bellshade/Python/blob/main/implementation/linear_algebra/conjugate_gradient.py)
     * [Polynom For Point](https://github.com/bellshade/Python/blob/main/implementation/linear_algebra/polynom_for_point.py)