diff --git a/maint/requirements.txt b/maint/requirements.txt
index 78ac216e..a8875bf7 100644
--- a/maint/requirements.txt
+++ b/maint/requirements.txt
@@ -11,7 +11,7 @@ Sphinx==1.1.3
 autopep8==0.8.5
 coverage==3.5.2
 pep8==1.4.1
-pyflakes==0.5.0
+pyflakes==0.6.1
 tox==1.4.2
 virtualenv==1.8.2