diff --git a/examples/research_projects/lxmert/requirements.txt b/examples/research_projects/lxmert/requirements.txt
index 9797ea7..e80cb00 100644
--- a/examples/research_projects/lxmert/requirements.txt
+++ b/examples/research_projects/lxmert/requirements.txt
@@ -46,7 +46,7 @@ nbclient==0.5.0
 nbconvert==6.0.1
 nbformat==5.0.7
 nest-asyncio==1.4.0
-notebook==6.4.1
+notebook==6.4.12
 numpy==1.19.2
 opencv-python==4.4.0.42
 packaging==20.3