diff --git a/.gitignore b/.gitignore
index e254c51a2ada8eabcff7f8af8442f12bc4b3d385..982bf1eb299290ddedad276acb061362f796f817 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ git*.pdf
 *.eps
 /gitrefcard.fdb_latexmk
 /gitrefcard.fls
+/gitrefcard.idx
+/gitrefcard.ilg
+/gitrefcard.ind