diff --git a/requirements.txt b/requirements.txt
index dc8378e..f57022d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ pickleshare==0.7.5
 prometheus-client==0.5.0
 prompt-toolkit==2.0.7
 ptyprocess==0.6.0
-Pygments==2.3.1
+Pygments==2.7.4
 python-dateutil==2.7.5
 pyzmq==17.1.2
 qtconsole==4.4.3