diff --git a/requirements_dev.txt b/requirements_dev.txt
index cf5c2a4..de2982d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -17,5 +17,5 @@ twine==1.14.0
 pytest
 pytest-runner
 pytest-cov
-pygments==2.6.1
+pygments==2.7.4
 flake8-html