diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index 44694be9c6..f7785dae04 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -163,7 +163,7 @@ bridgekeeper==0.9
     # via
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
-build==1.0.3
+build==1.2.1
     # via
     #   -r requirements/edx/../pip-tools.txt
     #   pip-tools
diff --git a/requirements/pip-tools.txt b/requirements/pip-tools.txt
index 06c75582c9..389fadc320 100644
--- a/requirements/pip-tools.txt
+++ b/requirements/pip-tools.txt
@@ -4,7 +4,7 @@
 #
 #    make upgrade
 #
-build==1.0.3
+build==1.2.1
     # via pip-tools
 click==8.1.6
     # via