diff --git a/requirements.txt b/requirements.txt
index 479e307..a0dffbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ gunicorn==22.0.0
 git+https://github.com/hmcts/response.git@0.0.8#egg=response
 idna==3.7
 jsonfield==3.1.0
-markdown2==2.5.0
+markdown2==2.5.3
 munch==4.0.0
 psycopg2-binary==2.9.9
 pycparser==2.22