diff --git a/requirements.txt b/requirements.txt
index 282db01..917bf14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ pickleshare==0.7.4
 prompt-toolkit==1.0.15
 ptyprocess==0.6.0
 pyglet==1.2.4
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5