diff --git a/requirements_dev.txt b/requirements_dev.txt
index af281e7..9c7b651 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,5 @@
 -r requirements_test.txt
 bumpver
 ipython
-ipdb
\ No newline at end of file
+ipdb
+build
\ No newline at end of file