diff --git a/requirements.txt b/requirements.txt
index d1d9552..fd75e3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ arrow==0.15.2
 asn1crypto==0.24.0
 # bayeosraspberrypi==0.1.0
 blinker==1.4
-certifi==2018.8.24
+certifi==2022.12.7
 chardet==3.0.4
 chart-studio==1.0.0
 Click==7.0