diff --git a/container-optimizer/requirements.txt b/container-optimizer/requirements.txt
index 61c96cf..b7d74ff 100644
--- a/container-optimizer/requirements.txt
+++ b/container-optimizer/requirements.txt
@@ -6,7 +6,7 @@ bleach==3.1.2
 boto3==1.12.23
 botocore==1.15.23
 cachetools==4.0.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==1.3.0
 colorama==0.3.3