diff --git a/requirements_test.txt b/requirements_test.txt
index 684582bd4c..005131f315 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,6 +1,6 @@
 pylint==2.9.6
 flake8==3.9.2
-black==21.7b0
+black==21.8b0
 pexpect==4.8.0
 pre-commit