diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c04678946..722b408ee 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,12 +16,12 @@ repos:
     -   id: auto-walrus
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.0.287
+    rev: v0.0.288
     hooks:
       - id: ruff
 
   - repo: https://github.com/psf/black
-    rev: 23.7.0
+    rev: 23.9.1
     hooks:
       - id: black
 
diff --git a/DIRECTORY.md b/DIRECTORY.md
index 43da91cb8..1b802564f 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -5,6 +5,7 @@
   * [In Static Equilibrium](arithmetic_analysis/in_static_equilibrium.py)
   * [Intersection](arithmetic_analysis/intersection.py)
   * [Jacobi Iteration Method](arithmetic_analysis/jacobi_iteration_method.py)
+  * [Junk](arithmetic_analysis/junk.py)
   * [Lu Decomposition](arithmetic_analysis/lu_decomposition.py)
   * [Newton Forward Interpolation](arithmetic_analysis/newton_forward_interpolation.py)
   * [Newton Method](arithmetic_analysis/newton_method.py)
@@ -133,6 +134,7 @@
 ## Computer Vision
   * [Cnn Classification](computer_vision/cnn_classification.py)
   * [Flip Augmentation](computer_vision/flip_augmentation.py)
+  * [Haralick Descriptors](computer_vision/haralick_descriptors.py)
   * [Harris Corner](computer_vision/harris_corner.py)
   * [Horn Schunck](computer_vision/horn_schunck.py)
   * [Mean Threshold](computer_vision/mean_threshold.py)
@@ -586,6 +588,7 @@
   * [Greedy Coin Change](maths/greedy_coin_change.py)
   * [Hamming Numbers](maths/hamming_numbers.py)
   * [Hardy Ramanujanalgo](maths/hardy_ramanujanalgo.py)
+  * [Harshad Numbers](maths/harshad_numbers.py)
   * [Hexagonal Number](maths/hexagonal_number.py)
   * [Integration By Simpson Approx](maths/integration_by_simpson_approx.py)
   * [Interquartile Range](maths/interquartile_range.py)
@@ -626,6 +629,7 @@
   * [Pi Monte Carlo Estimation](maths/pi_monte_carlo_estimation.py)
   * [Points Are Collinear 3D](maths/points_are_collinear_3d.py)
   * [Pollard Rho](maths/pollard_rho.py)
+  * [Polygonal Numbers](maths/polygonal_numbers.py)
   * [Polynomial Evaluation](maths/polynomial_evaluation.py)
   * Polynomials
     * [Single Indeterminate Operations](maths/polynomials/single_indeterminate_operations.py)
@@ -712,6 +716,7 @@
   * Activation Functions
     * [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
     * [Leaky Rectified Linear Unit](neural_network/activation_functions/leaky_rectified_linear_unit.py)
+    * [Scaled Exponential Linear Unit](neural_network/activation_functions/scaled_exponential_linear_unit.py)
   * [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
   * [Convolution Neural Network](neural_network/convolution_neural_network.py)
   * [Perceptron](neural_network/perceptron.py)