diff --git a/wechat/requirements.txt b/wechat/requirements.txt
index 7a8bbcc..763f66b 100644
--- a/wechat/requirements.txt
+++ b/wechat/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 falcon==1.4.1
 idna==2.6