diff --git a/requirements-dev.txt b/requirements-dev.txt
index 17b2313..599596f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 -r requirements-test.txt
-black==21.6b0
+black==21.7b0
 packaging==21.0
 pre-commit~=2.13
 PyGithub~=1.54