diff --git a/mycity/mycity/deploy_tools/requirements.txt b/mycity/mycity/deploy_tools/requirements.txt
index c7bb2af5..35e006c2 100644
--- a/mycity/mycity/deploy_tools/requirements.txt
+++ b/mycity/mycity/deploy_tools/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 codecov==2.0.15
 coverage==4.5.1