diff --git a/.gitignore b/.gitignore
index 7ce1410b711366193f32d71fad561152bba04ce2..3542f7a9e5fd71a0a8737a5603ddfcab66b4e03c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
+build
+
 ## Core latex/pdflatex auxiliary files:
 *.aux
 *.lof