diff --git a/requirements.txt b/requirements.txt
index 790845ecf10a..0e13e26bb032 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ html5lib==1.0.1
 ipython==5.8.0
 Jinja2==2.10.3
 ldap3==2.7
-markdown2==2.3.9
+markdown2==2.5.4
 maxminddb-geolite2==2018.703
 ndg-httpsclient==0.5.1
 num2words==0.5.5