diff --git a/requirements.txt b/requirements.txt
index a43edba..d6acab6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ attrs==19.1.0
 backcall==0.1.0
 bleach==3.0.1
 bokeh==1.1.0
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 click-plugins==1.1.1