diff --git a/requirements-dev.txt b/requirements-dev.txt
index f01e346..369ba0a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@ flake8==7.4.1
 mccabe==0.7.0
 mock==5.2.0
 pycodestyle==2.15.0
-pyflakes==4.0.0
+pyflakes==4.0.3
 requests-mock==1.12.1
 six==1.17.0
 testtools==2.9.1