diff --git a/rest_api/requirements.txt b/rest_api/requirements.txt
index d17208a..d28a4cf 100644
--- a/rest_api/requirements.txt
+++ b/rest_api/requirements.txt
@@ -44,4 +44,4 @@ urllib3==1.22
 xlrd==1.1.0
 xlwt==1.3.0
 psycopg2==2.8.2
-pygments==2.4.2
+pygments==2.7.4