diff --git a/.gitignore b/.gitignore
index c70e3e0..6b900f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,3 +45,6 @@ Thumbs.db
 output/
 _scaffold*/
 /tmp/
+
+# Windows NULL device - appears as untracked on Windows when shells redirect to nul
+nul