diff --git a/docs/index.rst b/docs/index.rst
index f6d8b69a18fcac65152948ab8eacdb2f70a54fad..f31799ac886362261a0369dd5eec60b1686a0f3f 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -13,6 +13,11 @@ Duniterpy helps to handle the following problem :
 * Request nodes in a non-blocking way
 * Handle duniter signing keys
 
+Requirements
+------------
+
+Duniterpy requires Python 3.5.x minimum.
+
 Installation
 ------------