diff --git a/requirements.txt b/requirements.txt
index dd3d45b..d6669be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Markdown==3.0.1
 MarkupSafe==1.1.1
 pelican==4.0.1
 pkg-resources==0.0.0
-Pygments==2.3.1
+Pygments==2.7.4
 python-dateutil==2.8.0
 pytz==2018.9
 six==1.12.0