diff --git a/requirements.txt b/requirements.txt
index 373912d..a160c95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ pickleshare==0.7.4
 prompt-toolkit==1.0.15
 protobuf==3.4.0
 ptyprocess==0.5.2
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.2