diff --git a/.gitignore b/.gitignore
index a0fb9211775d47cdb2a12792ec05e8ac56108ed5..3d7c31e7ab33e4acc446c51dc4d41fa292457e40 100644
--- a/.gitignore
+++ b/.gitignore
@@ -55,3 +55,7 @@ numerics
 aclocal.m4
 **/autom4te.cache
 src/io
+csv_out.csv
+test_graph.graphml
+test_graph2.graphml
+