diff --git a/docs/requirements.txt b/docs/requirements.txt
index ca0b8dd..7c7aae9 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -16,7 +16,7 @@ pathtools==0.1.2
 pluggy==0.3.1
 port-for==0.3.1
 py==1.4.31
-Pygments==2.1.3
+Pygments==2.7.4
 pyparsing==2.4.0
 pytz==2016.10
 PyYAML==5.1