diff --git a/test-requirements.txt b/test-requirements.txt
index 40ed17a42..bbd6d0413 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -20,7 +20,7 @@ python-keystoneclient
 
 coverage!=4.4,>=4.0 # Apache-2.0
 flake8-import-order==0.12 # LGPLv3
-flake8>=5.0.1,!=6.1.0
+flake8<7.1.1,>=5.0.1,!=6.1.0
 pyflakes>=2.5.0
 sphinx!=1.6.6,>=1.6.2 # BSD
 oslosphinx>=4.7.0 # Apache-2.0