diff --git a/c_chat_server/requirements.txt b/c_chat_server/requirements.txt
index 762c91d..64463b0 100644
--- a/c_chat_server/requirements.txt
+++ b/c_chat_server/requirements.txt
@@ -1,7 +1,7 @@
 alembic==1.0.10
 aniso8601==6.0.0
 blinker==1.4
-certifi==2019.3.9
+certifi==2022.12.7
 cffi==1.12.3
 Click==7.0
 Flask==1.0.2