diff --git a/pkgs/development/python-modules/fortiosapi/default.nix b/pkgs/development/python-modules/fortiosapi/default.nix
index 8b0425c38817..5b6bce687ea3 100644
--- a/pkgs/development/python-modules/fortiosapi/default.nix
+++ b/pkgs/development/python-modules/fortiosapi/default.nix
@@ -5,18 +5,23 @@
 , packaging
 , paramiko
 , pexpect
+, pythonOlder
 , requests
+, six
 }:
 
 buildPythonPackage rec {
   pname = "fortiosapi";
   version = "1.0.5";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "fortinet-solutions-cse";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "0679dizxcd4sk1b4h6ss8qsbjb3c8qyijlp4gzjqji91w6anzg9k";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-M71vleEhRYnlf+RSGT1GbCy5NEZaG0hWmJo01n9s6Rg=";
   };
 
   propagatedBuildInputs = [
@@ -25,11 +30,15 @@ buildPythonPackage rec {
     paramiko
     packaging
     oyaml
+    six
   ];
 
   # Tests require a local VM
   doCheck = false;
-  pythonImportsCheck = [ "fortiosapi" ];
+
+  pythonImportsCheck = [
+    "fortiosapi"
+  ];
 
   meta = with lib; {
     description = "Python module to work with Fortigate/Fortios devices";