diff --git a/examples/research_projects/lxmert/requirements.txt b/examples/research_projects/lxmert/requirements.txt
index 9797ea7..84aa252 100644
--- a/examples/research_projects/lxmert/requirements.txt
+++ b/examples/research_projects/lxmert/requirements.txt
@@ -4,7 +4,7 @@ async-generator==1.10
 attrs==20.2.0
 backcall==0.2.0
 CacheControl==0.12.6
-certifi==2020.6.20
+certifi==2023.7.22
 cffi==1.14.2
 chardet==3.0.4
 click==7.1.2