diff --git a/requirements.txt b/requirements.txt
index 20fc386..5ddd131 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ autobahn==18.3.1
 autograd==1.2
 backcall==0.1.0
 bleach==3.0.2
-certifi==2018.10.15
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 cycler==0.10.0