diff --git a/requirements-registration.txt b/requirements-registration.txt
index 46e29b1..e19c7d7 100644
--- a/requirements-registration.txt
+++ b/requirements-registration.txt
@@ -44,7 +44,7 @@ Pillow==4.2.1
 prompt-toolkit==1.0.14
 psycopg2==2.7.1
 ptyprocess==0.5.2
-Pygments==2.2.0
+Pygments==2.7.4
 pypng==0.0.18
 PyQRCode==1.2.1
 python-dateutil==2.6.1