diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0dc3682..08daa06 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 -r requirements-test.txt
 awesomeversion~=21.4
 bandit~=1.7
-black==20.8b1
+black==21.5b0
 codespell~=2.0
 isort~=5.8
 pydocstyle~=6.0