diff --git a/docs/requirements.txt b/docs/requirements.txt
index fd7a687..c420bee 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -42,7 +42,7 @@ plac==0.9.6
 pluggy==0.6.0
 preshed==1.0.0
 py==1.5.3
-Pygments==2.2.0
+Pygments==2.7.4
 pyLDAvis==2.1.1
 pyparsing==2.2.0
 pytest==3.5.1