diff --git a/container_a/requirements.txt b/container_a/requirements.txt
index 04dc0d8..a7383d0 100644
--- a/container_a/requirements.txt
+++ b/container_a/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2017.4.17
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 Flask==0.12.2