diff --git a/REQUIREMENTS.txt b/REQUIREMENTS.txt
index 301d24a..35268ab 100644
--- a/REQUIREMENTS.txt
+++ b/REQUIREMENTS.txt
@@ -8,7 +8,7 @@ html5lib==1.0.1
 idna==2.6
 jsonfield==2.0.2
 Markdown==3.0.1
-Pygments==2.3.1
+Pygments==2.7.4
 pytz==2017.3
 PyYAML==3.13
 requests==2.18.4