diff --git a/requirements.txt b/requirements.txt
index dddcfc8..a991a36 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ arrow==0.12.1
 backcall==0.1.0
 bleach==3.1.1
 bokeh==2.1.1
-certifi==2018.10.15
+certifi==2023.7.22
 chardet==3.0.4
 chartify==3.0.1
 colour==0.1.5