diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18ee00d8..b76a9aaf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,9 @@ Keep it human-readable, your future self will thank you!
 
 ## [Unreleased](https://github.com/ecmwf/anemoi-training/compare/0.2.1...HEAD)
 
+### Changed
+- Lock python version <3.13 [#107](https://github.com/ecmwf/anemoi-training/pull/107)
+
 ## [0.2.1 - Bugfix: resuming mlflow runs](https://github.com/ecmwf/anemoi-training/compare/0.2.0...0.2.1) - 2024-10-24
 
 ### Added
@@ -39,6 +42,7 @@ Keep it human-readable, your future self will thank you!
 - Add anemoi-transform link to documentation
 - Codeowners file (#56)
 - Changelog merge strategy (#56)
+- Contributors file (#106)
 
 #### Miscellaneous
 
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
new file mode 100644
index 00000000..72541b37
--- /dev/null
+++ b/CONTRIBUTORS.md
@@ -0,0 +1,13 @@
+## How to Contribute
+
+Please see the [read the docs](https://anemoi-training.readthedocs.io/en/latest/dev/contributing.html).
+
+
+## Contributors
+
+Thank you to all the wonderful people who have contributed to Anemoi. Contributions can come in many forms, including code, documentation, bug reports, feature suggestions, design, and more. A list of code-based contributors can be found [here](https://github.com/ecmwf/anemoi-training/graphs/contributors).
+
+
+## Contributing Organisations
+
+Significant contributions have been made by the following organisations: [DWD](https://www.dwd.de/), [MET Norway](https://www.met.no/), [MeteoSwiss](https://www.meteoswiss.admin.ch/), [RMI](https://www.meteo.be/) & [ECMWF](https://www.ecmwf.int/)
diff --git a/pyproject.toml b/pyproject.toml
index 4a368552..9ffa2db1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ authors = [
   { name = "European Centre for Medium-Range Weather Forecasts (ECMWF)", email = "software.support@ecmwf.int" },
 ]
 
-requires-python = ">=3.9"
+requires-python = ">=3.9,<3.13" # Unable to use 3.13 until pyshtools updates
 
 classifiers = [
   "Development Status :: 4 - Beta",