diff --git a/setup.cfg b/setup.cfg
index 78a3083..f20aeae 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -42,7 +42,7 @@ tests_require =
     tox
     isort
     black
-    flake8
+    flake8==7.1.0
 
 [options.packages.find]
 include =
@@ -56,8 +56,8 @@ tests =
     tox
     isort
     black
-    flake8
-pep8 = flake8
+    flake8==7.1.0
+pep8 = flake8==7.1.0
 coverage = pytest-cov
 docs =
     sphinx