diff --git a/requirements.txt b/requirements.txt
index 352d745..e923904 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ attrs==19.3.0
 autobahn==20.7.1
 Automat==20.2.0
 backcall==0.2.0
-certifi==2020.6.20
+certifi==2022.12.7
 cffi==1.14.1
 channels==2.4.0
 cheroot==8.4.2