diff --git a/requirements.txt b/requirements.txt
index 0379da2..6cf61dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2020.12.5
+certifi==2022.12.7
 cycler==0.10.0
 decorator==4.4.2
 echonet==1.0.0