diff --git a/tools/requirements.txt b/tools/requirements.txt
index c48971c5..d6208346 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -22,7 +22,7 @@ pathlib2==2.3.5 ; python_version < '3'
 pluggy==0.13.1
 py==1.8.1
 pycodestyle==2.5.0
-pyflakes==2.1.1
+pyflakes==2.2.0
 pyparsing==2.4.6
 pytest-cov==2.8.1
 pytest==4.6.11