diff --git a/requirements.txt b/requirements.txt
index d403a5a..c71cf73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 appnope==0.1.0
 bleach==2.1.3
 bokeh==0.12.14
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 click-plugins==1.0.3