diff --git a/requirements.txt b/requirements.txt
index 3bfa926..c30f6a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ html5lib==1.0.1
 Pillow==5.3.0
 psycopg2==2.7.6.1
 psycopg2-binary==2.7.6.1
-Pygments==2.3.1
+Pygments==2.7.4
 pytz==2018.7
 PyPDF2==1.26.0
 pytz==2018.7