diff --git a/requirements.txt b/requirements.txt
index 22e3d430..14dd4d70 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==41.0.3
+cryptography==41.0.4
 npg_id_generation@https://github.com/wtsi-npg/npg_id_generation/releases/download/3.0.0/npg_id_generation-3.0.0.tar.gz
 partisan@https://github.com/wtsi-npg/partisan/releases/download/2.7.0/partisan-2.7.0.tar.gz
 pymysql==1.1.0