diff --git a/requirements.txt b/requirements.txt
index da9ce15..111df08 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ pandas==0.18.1
 pexpect==4.1.0
 pickleshare==0.7.2
 ptyprocess==0.5.1
-Pygments==2.1.3
+Pygments==2.7.4
 pyparsing==2.1.4
 python-dateutil==2.5.3
 pytz==2016.4