diff --git a/requirements.txt b/requirements.txt
index 2954b34..4a3a695 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 bokeh==1.0.2
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 cycler==0.10.0