diff --git a/requirements_test.txt b/requirements_test.txt
index f469f09..86fe163 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,4 +1,4 @@
 pylint==2.11.1
-black==21.10b0
+black==21.12b0
 flake8==4.0.1
 isort==5.10.0