diff --git a/requirements.txt b/requirements.txt
index d99a924..1f578a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ pexpect==4.3.0
 pickleshare==0.7.4
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
-Pygments==2.2.0
+Pygments==2.7.4
 python-dateutil==2.6.1
 python-editor==1.0.3
 python-oauth2==1.0.1