diff --git a/requirements.txt b/requirements.txt
index 1855723..bd51cf5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alembic==1.3.1
 APScheduler==3.6.3
 astroid==2.3.3
 blinker==1.4
-certifi==2019.9.11
+certifi==2021.5.30
 cffi==1.13.2
 chardet==3.0.4
 Click==7.0