diff --git a/dadman/requirements.txt b/dadman/requirements.txt
index 93495e9..fdbb6f1 100644
--- a/dadman/requirements.txt
+++ b/dadman/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2020.4.5.1
+certifi==2023.7.22
 chardet==3.0.4
 idna==2.9
 requests==2.23.0