diff --git a/HISTORY.rst b/HISTORY.rst
index 784b373..06901c0 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,6 +2,8 @@
 History
 =======
 
+* Require Black 22.1.0+.
+
 1.12.1 (2022-01-30)
 -------------------