diff --git a/requirements.txt b/requirements.txt
index c9a4935..263b883 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ pickleshare==0.7.5
 prometheus-client==0.5.0
 prompt-toolkit==2.0.7
 ptyprocess==0.6.0
-Pygments==2.3.0
+Pygments==2.7.4
 python-dateutil==2.7.5
 pyzmq==17.1.2
 requests==2.21.0