diff --git a/.gitattributes b/.gitattributes
index e3a48c9f..5a93a58c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -7,6 +7,7 @@
 
 # exclude from git export
 /tests export-ignore
+/demo export-ignore
 /docs export-ignore
 /utilities export-ignore
 /.github export-ignore