diff --git a/.gitignore b/.gitignore
index 3cab0be..ecc49cf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,4 +19,6 @@ tex/introduction.log
 tex/overabundance.log
 tex/paradigms.log
 *~
+main.bib.bak
+main.bib.sav