diff --git a/requirements.txt b/requirements.txt
index a417ac1..6d1b94f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ plotly==3.1.0
 prometheus-client==0.3.0
 prompt-toolkit==1.0.14
 ptyprocess==0.5.1
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.1.4
 python-dateutil==2.6.1
 pytz==2017.3