diff --git a/requirements.txt b/requirements.txt
index c5d2227..9600918 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.24.0
 blinker==1.4
 bokeh==0.13.0
 cachetools==2.1.0
-certifi==2018.4.16
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 click==6.7