diff --git a/.gitignore b/.gitignore
index cfea8a4..8e332d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@
 *.tab.[ch]
 lex.yy.c
 *.lex.c
+.*.swp
 /dtc
 /fdtdump
 /convert-dtsv0