diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8c2ad44..51ba7d7 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 -r requirements-test.txt
-black==21.5b0
+black==21.5b1
 packaging==20.9
 pre-commit~=2.12
 PyGithub~=1.54