diff --git a/requirements_dev.txt b/requirements_dev.txt
index e12262a..736a520 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-build==0.3.1.post1
+build==1.2.1
 pep517==0.10.0
 pip==20.3.4 # pyup: <21 # 21 drops Python 2.7 support
 bumpversion==0.6.0