diff --git a/requirements_test.txt b/requirements_test.txt
index e612d5871b..2efc27c113 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,6 +1,6 @@
 pylint==2.8.2
 flake8==3.9.0
-black==21.5b0
+black==21.5b1
 pillow>4.0.0
 cryptography>=2.0.0,<4
 pexpect==4.8.0