diff --git a/requirements.txt b/requirements.txt
index 84412031..4af74c60 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ importlib-metadata==1.6.0
 itsdangerous==1.1.0
 Jinja2==2.11.2
 kombu==4.6.7
-Markdown==3.1.1
+Markdown==3.3.4
 MarkupSafe==1.1.1
 more-itertools==8.0.2
 numpy==1.18.0