diff --git a/requirements.txt b/requirements.txt
index b35b3e1..bdf05c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ bleach==3.3.0
 bokeh==1.3.4
 boto==2.49.0
 Bottleneck==1.2.1
-certifi==2019.9.11
+certifi==2022.12.7
 cffi==1.12.3
 chardet==3.0.4
 Click==7.0