diff --git a/requirements.txt b/requirements.txt
index b6e44c6..027d8a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ MarkupSafe==1.1.0
 packaging==18.0
 pathtools==0.1.2
 port-for==0.3.1
-Pygments==2.3.1
+Pygments==2.7.4
 pyparsing==2.3.0
 pytz==2018.7
 PyYAML==3.12