diff --git a/requirements/ci.txt b/requirements/ci.txt
index da86e4636df..19eb9dab637 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -3,7 +3,7 @@ setuptools-git==1.2
 -r doc.txt
 pip==9.0.1
 flake8==3.4.1
-pyflakes==1.5.0
+pyflakes==1.6.0
 coverage==4.4.1
 cchardet==2.1.1
 cython==0.26