diff --git a/dash-heroku-master/requirements.txt b/dash-heroku-master/requirements.txt
index a61c9df..177b750 100644
--- a/dash-heroku-master/requirements.txt
+++ b/dash-heroku-master/requirements.txt
@@ -142,7 +142,7 @@ protobuf==3.9.1
 py==1.8.0
 pycodestyle==2.5.0
 pyforest==0.1.1
-Pygments==2.4.2
+Pygments==2.7.4
 pyLDAvis==2.1.2
 pylint==2.3.1
 pymongo==3.9.0