diff --git a/simple-predix-service-python/requirements.txt b/simple-predix-service-python/requirements.txt
index ef24994..6107a7f 100644
--- a/simple-predix-service-python/requirements.txt
+++ b/simple-predix-service-python/requirements.txt
@@ -1,5 +1,5 @@
 aniso8601==2.0.0 
-certifi==2017.11.5 
+certifi==2022.12.7 
 chardet==3.0.4 
 click==6.7 
 flask==0.12.2