diff --git a/docs/requirements.txt b/docs/requirements.txt
index 4103fba71..20de5d0f0 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -9,7 +9,7 @@ imagesize==0.7.1
 Jinja2==2.9.6
 jsonschema==2.6.0
 MarkupSafe==1.0
-Pygments==2.2.0
+Pygments==2.7.4
 pytz==2017.2
 PyYAML>=4.2b1
 requests>=2.20.0