diff --git a/.gitignore b/.gitignore
index 92bfac0..4c0dbdd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@ skills/design-html
 skills/design-review
 skills/design-shotgun
 skills/devex-review
+skills/diagram
 skills/document-release
 skills/freeze
 skills/gstack-upgrade