diff --git a/requirements-dev.txt b/requirements-dev.txt
index ec7b6d5..ac38237 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 -r requirements-test.txt
-black==21.4b1
+black==21.4b2
 packaging==20.9
 pre-commit~=2.12
 PyGithub~=1.55