diff --git a/requirements.txt b/requirements.txt
index a72c7625..2f0e31bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ graphql-core==2.1.0
 graphql-relay==0.4.5
 icalendar==4.0.3
 lxml==4.4.1
-markdown==3.1.1
+markdown==3.3.7
 maya==0.6.1
 Pillow==6.2.0
 psycopg2-binary==2.8.3