diff --git a/.gitignore b/.gitignore
index 4da6fac..4e1f5c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,7 @@ tags
 # Hugo build destination
 public
 
+# Hugo build lock
+.hugo_build.lock
+
 # vim: set tw=80 ts=4 sw=4 sts=4 nospell: