diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9d35887..69a4c19 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@ entrypoints==0.3
 flake8==3.7.9
 mccabe==0.6.1
 pycodestyle==2.5.0
-pyflakes==2.2.0
+pyflakes==3.4.0
 
 # Deps do pytest
 pluggy==0.13.1