diff --git a/requirements.txt b/requirements.txt
index 08fdb87..b140a23 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy==1.14.5
 asgiref==3.3.1
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==0.5.3
 coverage==4.5.1