diff --git a/default.nix b/default.nix
index 510705c..9255f8e 100644
--- a/default.nix
+++ b/default.nix
@@ -1,18 +1,39 @@
 let
-  pkgs = import <nixpkgs> {};
+  pkgs = import <nixpkgs> { };
 in
 
 self: super: rec {
   python39 = super.pkgs.python39.override {
     packageOverrides = self: super: {
-      strawberry_graphql = super.callPackage ./pkgs/strawberry_graphql {
-        buildPythonPackage = super.buildPythonPackage;
-      };
-    };
-  };
+      strawberry_graphql = super.buildPythonPackage
+        rec {
+          pname = "strawberry-graphql";
+          version = "0.114.5";
+          format = "pyproject";
+          patches = [
+            ./strawberry-graphql/strawberry-graphql.patch
+          ];
+          propagatedBuildInputs = with super.pkgs; [
+            typing-extensions
+            graphql-core
+            python-multipart
+            python-dateutil
+            flask
+            pydantic
+            pygments
+            poetry
+          ];
 
-  python39Packages = python39.pkgs;
-	selfprivacy-api = super.callPackage ./pkgs/selfprivacy-api {
-    pythonPkgs = python39Packages;
-  };
-}
+          src = super.fetchPypi {
+            inherit pname version;
+            sha256 = "b6e007281cf29a66eeba66a512744853d8aa53b4ca2525befb6f350bb7b24df6";
+          };
+        }
+        };
+    };
+
+    python39Packages = python39.pkgs;
+    selfprivacy-api = super.callPackage ./pkgs/selfprivacy-api {
+      pythonPkgs = python39Packages;
+    };
+  }