diff --git a/requirements.txt b/requirements.txt
index 269f699f..b5a77f02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ bs4==0.0.1
 cachetools==4.1.0
 Cartopy==0.18.0
 celery==5.2.2
-certifi==2020.6.20
+certifi==2022.12.7
 cffi==1.14.0
 cfgv==3.2.0
 cftime==1.1.3