diff --git a/.gitignore b/.gitignore
index 7cb506b..f9fb4b9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -295,3 +295,6 @@ TSWLatexianTemp*
 # option is specified. Footnotes are the stored in a file with suffix Notes.bib.
 # Uncomment the next line to have this generated file ignored.
 #*Notes.bib
+
+# don't track PDFs
+*.pdf