diff --git a/README.md b/README.md
index ccf7eea..a225ee2 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,8 @@ Simulations may be run with a range of initial conditions and parameters for sta
 and environmental processes to understand and visualize network behavior under various conditions. Support for \
 A/B testing policies, monte carlo analysis and other common numerical methods is provided.
 
+SimCAD requires Python 3.
+
 **1. Install Dependencies:**
 ```bash
 pip install -r requirements.txt