diff --git a/.gitignore b/.gitignore
index e177bb2..06251fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,12 +1,14 @@
 # vim temp files
 *~
 *.swp
+*.swo
 
 # generated output
 *.la
 *.lo
 *.o
 /libbrandt-*.tar.gz
+bench
 
 # test files
 test_*