diff --git a/misc/requirements/requirements-flake8.txt b/misc/requirements/requirements-flake8.txt
index cd1fcba4d..20a66cd5f 100644
--- a/misc/requirements/requirements-flake8.txt
+++ b/misc/requirements/requirements-flake8.txt
@@ -22,6 +22,6 @@ pep8-naming==0.7.0
 pycodestyle==2.4.0
 pydocstyle==3.0.0
 pyflakes==2.0.0
-six==1.11.0
+six==1.12.0
 snowballstemmer==1.2.1
 typing==3.6.6