diff --git a/requirements_py35.txt b/requirements_py35.txt
index bcbdbb2..0100c7f 100644
--- a/requirements_py35.txt
+++ b/requirements_py35.txt
@@ -7,7 +7,7 @@ boto3==1.7.65
 botocore==1.10.65
 brewer2mpl==1.4.1
 bz2file==0.98
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 decorator==4.3.0