diff --git a/grounding/groundcn/requirements.txt b/grounding/groundcn/requirements.txt
index 4de27ef..540c223 100644
--- a/grounding/groundcn/requirements.txt
+++ b/grounding/groundcn/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.12
 allennlp==0.9.0
 Babel==2.9.1
-certifi==2022.12.7
+certifi==2023.7.22
 cffi==1.13.2
 chardet==3.0.4
 docutils==0.15.2