diff --git a/app/static/css/light/requirements.txt b/app/static/css/light/requirements.txt
index 41e761c..cef05fd 100644
--- a/app/static/css/light/requirements.txt
+++ b/app/static/css/light/requirements.txt
@@ -24,7 +24,7 @@ Markdown==2.6.9
 MarkupSafe==1.0
 misaka==2.1.0
 pycparser==2.18
-Pygments==2.2.0
+Pygments==2.7.4
 python-dateutil==2.6.1
 python-editor==1.0.3
 PyYAML==3.12