diff --git a/requirements.txt b/requirements.txt
index e098960..72260fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==43.0.3
+cryptography==44.0.0
 npg_id_generation@https://github.com/wtsi-npg/npg_id_generation/releases/download/5.0.1/npg_id_generation-5.0.1.tar.gz
 npg-python-lib@https://github.com/wtsi-npg/npg-python-lib/releases/download/0.3.3/npg_python_lib-0.3.3.tar.gz
 partisan@https://github.com/wtsi-npg/partisan/releases/download/2.13.0/partisan-2.13.0.tar.gz