diff --git a/schedule-backend/requirements.txt b/schedule-backend/requirements.txt
index bc8a2f2..d03c3bc 100644
--- a/schedule-backend/requirements.txt
+++ b/schedule-backend/requirements.txt
@@ -3,7 +3,7 @@ astroid==2.4.1
 attrs==19.3.0
 Automat==0.8.0
 blinker==1.4
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cliapp==1.0.9
 Click==7.0