diff --git a/.gitignore b/.gitignore
index 3da51ee..37e1e33 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,7 @@
 
+letter.pdf
+figures/signature.png
+
 ## From: https://github.com/github/gitignore/blob/master/TeX.gitignore
 ## Core latex/pdflatex auxiliary files:
 *.aux