diff --git a/requirements/requirements-dev.txt b/requirements/requirements-dev.txt
index 3b3bee7..31e23df 100644
--- a/requirements/requirements-dev.txt
+++ b/requirements/requirements-dev.txt
@@ -1,6 +1,6 @@
 -r requirements.txt
 -r requirements-test.txt
-black==21.6b0
+black==21.7b0
 mypy==0.910
 isort==5.9.3
 pylint==2.9.6