diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6bdbc7370..bd5bca8f0 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
     -   id: auto-walrus
 
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.267
+    rev: v0.0.269
     hooks:
       - id: ruff
 
@@ -46,7 +46,7 @@ repos:
         pass_filenames: false
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.12.2
+    rev: v0.13
     hooks:
       - id: validate-pyproject
 
diff --git a/DIRECTORY.md b/DIRECTORY.md
index 82791cde1..3181a93f3 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -577,6 +577,7 @@
   * [Hexagonal Number](maths/hexagonal_number.py)
   * [Integration By Simpson Approx](maths/integration_by_simpson_approx.py)
   * [Is Ip V4 Address Valid](maths/is_ip_v4_address_valid.py)
+  * [Is Palindrome](maths/is_palindrome.py)
   * [Is Square Free](maths/is_square_free.py)
   * [Jaccard Similarity](maths/jaccard_similarity.py)
   * [Juggler Sequence](maths/juggler_sequence.py)