diff --git a/requirements.txt b/requirements.txt
index 7eb41bc..6adc6d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-GFM>=0.1.1, <0.2.0
 Flask-Markdown>=0.3, <0.4.0
 Flask-SQLAlchemy>=3.0.3, <3.1.0
 gunicorn>=20.0.4, <20.1.0
-Markdown>=2.6.11, <2.7.0
+Markdown>=3.4.1, <3.5.0
 psycopg2>=2.8.6, <2.9.0
 pytest>=6.2.1, <6.3.0
 coverage-lcov>=0.2.4, <0.3