diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 3724922fbc..556a732518 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -68,7 +68,7 @@ PyBaMM follows the [PEP8 recommendations](https://www.python.org/dev/peps/pep-00
 
 ### Ruff
 
-We use [ruff](https://github.com/charliermarsh/ruff) to check our PEP8 adherence. To try this on your system, navigate to the PyBaMM directory in a console and type
+We use [ruff](https://github.com/astral-sh/ruff) to check our PEP8 adherence. To try this on your system, navigate to the PyBaMM directory in a console and type
 
 ```bash
 python -m pip install pre-commit