diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index a41707d..79a3521 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -30,7 +30,7 @@ prompt-toolkit==1.0.15
 ptyprocess==0.5.2
 py==1.5.3
 pycodestyle==2.4.0
-pyflakes==1.6.0
+pyflakes==2.0.0
 Pygments==2.2.0
 pyparsing==2.2.0
 python-dateutil==2.7.3