diff --git a/dpkd/transformers/examples/research_projects/lxmert/requirements.txt b/dpkd/transformers/examples/research_projects/lxmert/requirements.txt
index 55e1bdb8..da005307 100644
--- a/dpkd/transformers/examples/research_projects/lxmert/requirements.txt
+++ b/dpkd/transformers/examples/research_projects/lxmert/requirements.txt
@@ -40,7 +40,7 @@ kiwisolver==1.2.0
 lockfile==0.12.2
 MarkupSafe==1.1.1
 matplotlib==3.3.1
-mistune==2.0.3
+mistune==3.2.1
 msgpack==0.6.2
 nbclient==0.5.0
 nbconvert==6.5.1