diff --git a/vignettes/.gitignore b/vignettes/.gitignore
index caa96129b1861fe8c66c766dcb466e19181dc2f9..3c0f6bdf8ce6188e2cf7574d330830dde964af93 100644
--- a/vignettes/.gitignore
+++ b/vignettes/.gitignore
@@ -1 +1,2 @@
 *.R
+*.html