diff --git a/requirements.txt b/requirements.txt
index 4223ed5..173039a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ bleach==3.1.4
 bokeh==1.4.0
 boto==2.49.0
 Bottleneck==1.3.2
-certifi==2019.11.28
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 Click==7.0