diff --git a/requirements.txt b/requirements.txt
index 872ab9a..c3a1c02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ imagesize==0.7.1
 Jinja2==2.9.5
 MarkupSafe==0.23
 packaging==16.8
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.1.10
 pytz==2016.10
 requests==2.13.0