diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1d4b73681108..591fd7819a5a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -26,14 +26,14 @@ repos:
       - id: black
 
   - repo: https://github.com/codespell-project/codespell
-    rev: v2.2.4
+    rev: v2.2.5
     hooks:
       - id: codespell
         additional_dependencies:
           - tomli
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: "0.11.2"
+    rev: "0.12.0"
     hooks:
       - id: pyproject-fmt
 
diff --git a/DIRECTORY.md b/DIRECTORY.md
index 8511c261a3d2..6ec8d5111176 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -486,6 +486,9 @@
     * [Test Linear Algebra](linear_algebra/src/test_linear_algebra.py)
     * [Transformations 2D](linear_algebra/src/transformations_2d.py)
 
+## Linear Programming
+  * [Simplex](linear_programming/simplex.py)
+
 ## Machine Learning
   * [Astar](machine_learning/astar.py)
   * [Data Transformations](machine_learning/data_transformations.py)