diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2b5d8cb..4e05913 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -58,7 +58,7 @@ ptyprocess==0.6.0
 py==1.8.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
-Pygments==2.4.2
+Pygments==2.7.4
 pyparsing==2.4.2
 pyrsistent==0.15.5
 python-dateutil==2.8.0