diff --git a/pkgs/development/python-modules/bhopengraph/default.nix b/pkgs/development/python-modules/bhopengraph/default.nix
index 1a35ed31cd92..6c2ab08ed346 100644
--- a/pkgs/development/python-modules/bhopengraph/default.nix
+++ b/pkgs/development/python-modules/bhopengraph/default.nix
@@ -5,16 +5,16 @@
   poetry-core,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "bhopengraph";
-  version = "1.3.0";
+  version = "1.3.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "p0dalirius";
     repo = "bhopengraph";
-    tag = "v${version}";
-    hash = "sha256-rpJZhABYsiv3uZdb6zLEYGYMOv8Gyd6kZ9k0d9Ob1FQ=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-pT+xdcxFLQUrXpZxS0gmXjyhtR1jqDsBAPHgEhxX2R8=";
   };
 
   build-system = [ poetry-core ];
@@ -27,8 +27,8 @@ buildPythonPackage rec {
   meta = {
     description = "Library to create BloodHound OpenGraphs";
     homepage = "https://github.com/p0dalirius/bhopengraph";
-    changelog = "https://github.com/p0dalirius/bhopengraph/releases/tag/${src.tag}";
+    changelog = "https://github.com/p0dalirius/bhopengraph/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})