diff --git a/.gitignore b/.gitignore
index 7ddccf454766098ab2a473f75554ea4d51495da1..504a21b4251398698e2099cf82d3adf1539b435f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 
 .DS_Store
 documentation/design-documentation/
+documentation/design/*.pdf
 *.aux
 *.bbl
 *.blg