diff --git a/README.md b/README.md
index 228ebc0..30f483a 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![Code Style: Ruff](https://img.shields.io/badge/code%20style-ruff-000000.svg)](https://docs.astral.sh/ruff/)
 [![Type Checked: mypy](https://img.shields.io/badge/type%20checked-mypy-blue.svg)](https://mypy-lang.org/)
 [![License: MIT](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
-[![Notebooks](https://img.shields.io/badge/notebooks-123-orange.svg)](src/)
+[![Notebooks](https://img.shields.io/badge/notebooks-127-orange.svg)](src/)
 [![Tests](https://img.shields.io/badge/tests-467-brightgreen.svg)](tests/)
 
 Study notes and examples inspired by **"Learning Python: Powerful Object-Oriented Programming, 5th Edition"** by Mark Lutz (O'Reilly) — an independent companion resource covering core Python concepts through interactive Jupyter notebooks with original code examples.