diff --git a/requirements_dev.txt b/requirements_dev.txt
index 23f65b9..3936083 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -21,7 +21,7 @@ pyasn1==0.1.9
 pycodestyle==2.0.0
 pycparser==2.14
 pyflakes==1.2.3
-Pygments==2.1.3
+Pygments==2.17.2
 pytest==2.9.2
 python-dateutil==2.5.3
 pytz==2016.6.1