1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 12439f4e..2571cfd8 100644
--- a/setup.py
+++ b/setup.py
@@ -89,7 +89,7 @@ setup(
         ],
         'dev': [
             "asynctest>=0.12.0",
-            "flake8>=3.5,<3.7",
+            "flake8>=3.5,<=3.7.8",
             "Flask>=1.0,<1.1",
             "mypy>=0.590,<0.591",
             "parver>=0.1,<2.0",