diff --git a/assignment1/requirements.txt b/assignment1/requirements.txt
index 1311138..4e88eab 100644
--- a/assignment1/requirements.txt
+++ b/assignment1/requirements.txt
@@ -1,7 +1,7 @@
 Jinja2==2.8
 MarkupSafe==0.23
 Pillow==3.0.0
-Pygments==2.0.2
+Pygments==2.7.4
 appnope==0.1.0
 backports-abc==0.4
 backports.ssl-match-hostname==3.5.0.1