diff --git a/service_1/requirements.txt b/service_1/requirements.txt
index b528113..43bdaef 100644
--- a/service_1/requirements.txt
+++ b/service_1/requirements.txt
@@ -1,5 +1,5 @@
 attrs==19.3.0
-certifi==2020.4.5.1
+certifi==2022.12.7
 chardet==3.0.4
 click==7.1.1
 Flask==1.1.2