diff --git a/requirements.txt b/requirements.txt
index a7883ab9e5..fa83f637c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ boto3==1.20.31
 imbalanced-learn==0.8.1
 libmozdata==0.1.73
 lmdb==1.3.0
-markdown2==2.4.2
+markdown2==2.4.8
 matplotlib==3.5.1
 mercurial==5.9.3
 microannotate==0.0.24