diff --git a/requirements.txt b/requirements.txt
index a46890d72..42dbe5182 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ binaryornot==0.4.0
 # Testing
 pytest==3.0.5
 pep8==1.7.0
-pyflakes==1.3.0
+pyflakes==1.4.0
 tox==2.5.0
 pytest-cookies==0.2.0