diff --git a/requirements.txt b/requirements.txt
index 96de3de..b352739 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 aniso8601==2.0.0
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 coverage==4.5.1