diff --git a/requirements/dev.txt b/requirements/dev.txt
index eda3608..1cf4282 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,3 +1,3 @@
 flake8==4.0.1
-black==21.11b1
+black==21.12b0
 isort==5.10.1