diff --git a/requirements.txt b/requirements.txt
index 6589abe..d14b197 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ pandas==0.25.0
 prompt-toolkit==2.0.9
 protobuf==3.9.1
 py2neo==4.3.0
-Pygments==2.3.1
+Pygments==2.7.4
 PyMySQL==0.9.3
 pyparsing==2.4.2
 python-dateutil==2.8.0