diff --git a/requirements.txt b/requirements.txt
index d5a41311..4bb86733 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -77,7 +77,7 @@ plac==0.9.6
 preshed==1.0.1
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
-Pygments==2.2.0
+Pygments==2.7.4
 pymongo==3.5.1
 pyparsing==2.2.0
 python-dateutil==2.7.2