diff --git a/vncsdk-1.7.0/tools/vnccloudaddresstool/requirements.txt b/vncsdk-1.7.0/tools/vnccloudaddresstool/requirements.txt
index cf06ad4..71d90f9 100644
--- a/vncsdk-1.7.0/tools/vnccloudaddresstool/requirements.txt
+++ b/vncsdk-1.7.0/tools/vnccloudaddresstool/requirements.txt
@@ -1,5 +1,5 @@
 argparse==1.4.0
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 Flask==0.12.2