diff --git a/requirements.txt b/requirements.txt
index 7e9b073..3a064f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ appnope==0.1.0
 bleach==3.1.1
 bokeh==0.12.9
 bqplot==0.9.0
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 colorlover==0.2.1
 cufflinks==0.12.0