diff --git a/setup.py b/setup.py
index 69da676a..ee481d13 100644
--- a/setup.py
+++ b/setup.py
@@ -71,7 +71,7 @@ setuptools.setup(
             "pytest-instafail==0.4.2",
             "pytest-cov==2.12.1",
             "pycodestyle==2.7.0",
-            "black==21.6b0",
+            "black==21.7b0",
             "isort==5.9.2",
             "mypy==0.910",
             # type stubs for mypy