diff --git a/pkgs/servers/mail/spf-engine/default.nix b/pkgs/servers/mail/spf-engine/default.nix
index ee5d6d74d1d0..bb7f9f0b7a38 100644
--- a/pkgs/servers/mail/spf-engine/default.nix
+++ b/pkgs/servers/mail/spf-engine/default.nix
@@ -11,12 +11,12 @@
 
 buildPythonApplication rec {
   pname = "spf-engine";
-  version = "3.0.4";
-  format = "pyproject";
+  version = "3.1.0";
+  pyproject = true;
 
   src = fetchurl {
-    url = "https://launchpad.net/${pname}/${lib.versions.majorMinor version}/${version}/+download/${pname}-${version}.tar.gz";
-    sha256 = "sha256-Gcw7enNIb/TrZEYa0Z04ezHUmfMmc1J+aEH6FlXbhTo=";
+    url = "https://launchpad.net/${pname}/${lib.versions.majorMinor version}/${version}/+download/spf-engine-${version}.tar.gz";
+    hash = "sha256-HUuMxYFCqItLFgMSnrkwfmJWqgFGyI1RWgmljb+jkWk=";
   };
 
   nativeBuildInputs = [ flit-core ];
@@ -34,10 +34,10 @@ buildPythonApplication rec {
     "spf_engine.policyd_spf"
   ];
 
-  meta = with lib; {
+  meta = {
     homepage = "https://launchpad.net/spf-engine/";
     description = "Postfix policy engine for Sender Policy Framework (SPF) checking";
-    maintainers = with maintainers; [ abbradar ];
-    license = licenses.asl20;
+    maintainers = with lib.maintainers; [ abbradar ];
+    license = lib.licenses.asl20;
   };
 }