diff --git a/requirements.txt b/requirements.txt
index ccf4c69..e5d935c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pydot==1.4.1
 pyglet==1.3.2
-Pygments==2.6.1
+Pygments==2.7.4
 Pympler==0.8
 pyparsing==2.4.7
 python-dateutil==2.8.1