diff --git a/.gitignore b/.gitignore
index 68bc17f9ff2104a9d7b6777058bb4c343ca72609..b1a37c657a5a9c90f72d37e1782d6803166aa5b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -158,3 +158,6 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+# Demo files
+demo/