diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b08139561..ad3e0cd87 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
     -   id: auto-walrus
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.0.284
+    rev: v0.0.285
     hooks:
       - id: ruff
 
@@ -46,12 +46,12 @@ repos:
         pass_filenames: false
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.13
+    rev: v0.14
     hooks:
       - id: validate-pyproject
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.5.0
+    rev: v1.5.1
     hooks:
       - id: mypy
         args:
diff --git a/DIRECTORY.md b/DIRECTORY.md
index 866a3084f..ebb164d04 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -155,6 +155,7 @@
   * [Hexadecimal To Decimal](conversions/hexadecimal_to_decimal.py)
   * [Length Conversion](conversions/length_conversion.py)
   * [Molecular Chemistry](conversions/molecular_chemistry.py)
+  * [Octal To Binary](conversions/octal_to_binary.py)
   * [Octal To Decimal](conversions/octal_to_decimal.py)
   * [Prefix Conversions](conversions/prefix_conversions.py)
   * [Prefix Conversions String](conversions/prefix_conversions_string.py)