diff --git a/requirements.txt b/requirements.txt
index 4360121..57f14eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ bleach==3.1.4
 bokeh==0.12.13
 boto==2.48.0
 Bottleneck==1.2.1
-certifi==2017.11.5
+certifi==2022.12.7
 cffi==1.11.2
 chardet==3.0.4
 click==6.7