diff --git a/check_aci/requirements.txt b/check_aci/requirements.txt
index 3cbe234..b69ed01 100644
--- a/check_aci/requirements.txt
+++ b/check_aci/requirements.txt
@@ -1,6 +1,6 @@
 backports.ssl-match-hostname==3.7.0.1
 backports.weakref==1.0.post1
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 DateTime==4.3
 idna==2.8