diff --git a/tox.ini b/tox.ini
index 722d8d569..a15a53121 100644
--- a/tox.ini
+++ b/tox.ini
@@ -162,7 +162,7 @@ deps =
     flake8-copyright==0.1
     mccabe==0.4.0
     pep8==1.7.0
-    pyflakes==1.0.0
+    pyflakes==1.1.0
     flake8-string-format==0.2.1
     flake8-deprecated==1.0
     flake8-mock==0.2