diff --git a/requirements.txt b/requirements.txt
index 447a684..20d3a6b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ protobuf==3.5.2.post1
 ptyprocess==0.5.2
 pycparser==2.18
 pyglet==1.3.1
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2018.3