diff --git a/app/email/build/sogo-next/default.nix b/app/email/build/sogo-next/default.nix
index 103e2be..b0abace 100644
--- a/app/email/build/sogo-next/default.nix
+++ b/app/email/build/sogo-next/default.nix
@@ -1,7 +1,7 @@
 { pkgs ? import <nixpkgs> {}}:
 
 rec {
-  gnustep-make = pkgs.stdenv.mkDerivation rec {
+  gnustep-make = pkgs.llvmPackages.stdenv.mkDerivation rec {
     pname = "gnustep-make";
     version = "2.9.0";
 
@@ -16,11 +16,21 @@ rec {
     ];
   };
 
-  gnustep-base = pkgs.stdenv.mkDerivation rec {
+  gnustep-base = pkgs.llvmPackages.stdenv.mkDerivation rec {
     pname = "gnustep-base";
     version = "1.28.0";
 
+    /*configurePhase = "gcc -v; which cc1obj; false";*/
+
     buildInputs = [
+      pkgs.pkg-config
+      pkgs.gnustep.libobjc
+      pkgs.libffi
+      pkgs.libbfd
+      pkgs.libxml2
+      pkgs.libxslt
+      pkgs.gnutls
+      pkgs.icu
       gnustep-make
     ];
 
@@ -30,6 +40,16 @@ rec {
     };
   };
 
+  sope = pkgs.stdenv.mkDerivation rec {
+    pname = "sope";
+    version = "5.2.0";
+
+    src = pkgs.fetchurl {
+      url = "https://github.com/inverse-inc/sope/archive/refs/tags/SOPE-${version}.tar.gz";
+      sha256 = "e98050007cf3ff0a9d97578bcb3155c88b4ac9f69d94f95fe4c88bc5efff31c7";
+    };
+  };
+
   sogo = pkgs.stdenv.mkDerivation rec {
     pname = "sogo";
     version = "5.2.0";