diff --git a/requirements.txt b/requirements.txt
index 329fc7b..8f23f42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ bleach==3.3.0
 bokeh==0.13.0
 boto==2.49.0
 Bottleneck==1.2.1
-certifi==2018.8.24
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 click==6.7