diff --git a/requirements.txt b/requirements.txt
index 877eeca..bfc96d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ oauthlib==2.0.7
 olefile==0.45.1
 Pillow==4.2.1
 pycparser==2.18
-Pygments==2.2.0
+Pygments==2.7.4
 PyMySQL==0.8.0
 python3-openid==3.1.0
 pytz==2017.2