diff --git a/requirements.txt b/requirements.txt
index 60bde3e1..e0799bd9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Jinja2>=2.10.1
 MarkupSafe==1.1.1
-Pygments==2.3.1
+Pygments==2.7.4
 Send2Trash==1.5.0
 attrs==19.1.0
 backcall==0.1.0