diff --git a/requirements.txt b/requirements.txt
index 43f0a8a..f65b92c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ dj-database-url==0.4.1
 psycopg2-binary==2.8.4
 requests==2.21.0
 Sphinx==1.4
-Pygments==2.1.3
+Pygments==2.7.4
 sphinxcontrib-httpdomain==1.4.0
 redis==2.10.5
 kombu==4.0.2  # Needed to avoid problems with celery