diff --git a/requirements.txt b/requirements.txt
index f112c82..10fe226 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ bleach==3.3.0
 bokeh==0.12.16
 boto==2.48.0
 Bottleneck==1.2.1
-certifi==2018.4.16
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 click==6.7