diff --git a/requirements.txt b/requirements.txt
index 94347b2..af57d6d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ attrs==18.2.0
 backcall==0.1.0
 bleach==3.1.0
 bokeh==1.0.4
-certifi==2018.11.29
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 Click==7.0