diff --git a/requirements.txt b/requirements.txt
index 2056404e..b4f993aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ prompt-toolkit==1.0.15
 protobuf==3.6.0
 ptyprocess==0.6.0
 pydot==1.2.3
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5