diff --git a/pkgs/development/python-modules/mlflow/default.nix b/pkgs/development/python-modules/mlflow/default.nix
index 2664291d6798..f1eaff4f42b7 100644
--- a/pkgs/development/python-modules/mlflow/default.nix
+++ b/pkgs/development/python-modules/mlflow/default.nix
@@ -47,6 +47,9 @@ buildPythonPackage (finalAttrs: {
 
   build-system = [ setuptools ];
 
+  pythonRelaxDeps = [
+    "cryptography"
+  ];
   dependencies = [
     aiohttp
     alembic