diff --git a/requirements.txt b/requirements.txt
index 5e35e02..53d1675 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ MarkupSafe==1.1.1
 packaging==19.0
 pathtools==0.1.2
 port-for==0.3.1
-Pygments==2.3.1
+Pygments==2.7.4
 pyparsing==2.3.1
 pytz==2018.9
 PyYAML==5.1