diff --git a/requirements.txt b/requirements.txt
index 1c4569d..aa2055d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cos-python-sdk-v5==1.7.7
 idna==2.8