1 files changed, 1 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
index 2c416f60..142e98f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,5 +6,6 @@ vignettes/*.blg
 vignettes/*.log
 vignettes/*.out
 vignettes/*.toc
+vignettes/.build.timestamp
 vignettes/mkin.tex
 vignettes/FOCUS_Z.tex