diff --git a/requirements/pip-tools.txt b/requirements/pip-tools.txt
index 8b3b29593..e7d1c474f 100644
--- a/requirements/pip-tools.txt
+++ b/requirements/pip-tools.txt
@@ -4,7 +4,7 @@
 #
 #    make upgrade
 #
-build==1.4.2
+build==1.4.3
     # via pip-tools
 click==8.3.2
     # via pip-tools