diff --git a/docs/conf.py b/docs/conf.py
index 84a4ce1..a872f2e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,6 +26,7 @@
 copyright = '2023, David Cortes'
 author = 'David Cortes'
 
+source_suffix = '.rst'
 master_doc = 'index'
 
 # -- General configuration ---------------------------------------------------