diff --git a/requirements-test.txt b/requirements-test.txt
index cb0a9ceb1..349514235 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,6 +1,6 @@
 mypy==0.910
 flake8==4.0.1
-black==21.9b0
+black==21.10b0
 
 codespell==2.1.0