diff --git a/requirements.txt b/requirements.txt
index c5a3637..d3dc064 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ pexpect==4.3.1
 pickleshare==0.7.4
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.3