diff --git a/README.md b/README.md
index dd85a79..f7007bb 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 
+
 <p align="center">
   <img src="https://github.com/fjclark/red/assets/90148170/5b0cf397-f902-4a43-9323-6414aa408d1a" width="500">
 </p>
@@ -44,6 +45,8 @@ For testing and more details, please see the associated publication: **Clark, F.
 
 ### Installation
 
+This package requires Python >= 3.11.
+
 The easiest way to install `red` is using `conda` (or `mamba`) (note that the conda-forge/ PyPI name is `red-molsim` to avoid conflicts):
 
 ```bash