diff --git a/requirements.txt b/requirements.txt
index 5573f0f..5d1baab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ itsdangerous==2.0.0
 Jinja2==3.0.0
 Lektor==3.2.0
 MarkupSafe==2.0.0
-mistune==0.8.4
+mistune==2.0.3
 mypy-extensions==0.4.3
 pathspec==0.8.1
 pycparser==2.20