diff --git a/requirements.txt b/requirements.txt
index 0f9e108..79cac71 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ pickleshare==0.7.4
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
 py==1.4.34
-Pygments==2.2.0
+Pygments==2.7.4
 python-dateutil==2.6.1
 python-mimeparse==1.6.0
 pytz==2017.3