diff --git a/requirements.txt b/requirements.txt
index 946ae66..2fca9ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ idna==2.6
 Markdown==2.6.11
 oauthlib==2.1.0
 Pillow==5.1.0
-Pygments==2.2.0
+Pygments==2.7.4
 PyJWT==1.6.4
 python3-openid==3.1.0
 pytz==2018.3