diff --git a/README.md b/README.md
index 6d28ffa..91a17fb 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![github](https://img.shields.io/static/v1?style=plastic&label&message=GitHub&logo=github&logoColor=black&color=white)](https://github.com/SpeysideHEP/spey)
 [![arxiv](https://img.shields.io/static/v1?style=plastic&label=arXiv&message=2307.06996&color=brightgreen)](https://arxiv.org/abs/2307.06996)
-[![doc](https://img.shields.io/static/v1?style=plastic&label&message=Documentation&logo=gitbook&logoColor=white&color=gray)](https://speysidehep.github.io/spey/)
+[![doc](https://img.shields.io/static/v1?style=plastic&label&message=Documentation&logo=gitbook&logoColor=white&color=gray)](https://spey.readthedocs.io/)
 
 [![Binder](https://binderhub.ssl-hep.org/badge_logo.svg)](https://binderhub.ssl-hep.org/v2/gh/SpeysideHEP/PyHEP-2023/HEAD?labpath=intro_spey.ipynb)