diff --git a/pkgs/development/ocaml-modules/bls12-381/default.nix b/pkgs/development/ocaml-modules/bls12-381/default.nix
index 20b2cd66a758..65b1a476f9dd 100644
--- a/pkgs/development/ocaml-modules/bls12-381/default.nix
+++ b/pkgs/development/ocaml-modules/bls12-381/default.nix
@@ -1,40 +1,47 @@
-{ lib, buildDunePackage, fetchFromGitLab
-, ff-sig, zarith
+{ lib
+, buildDunePackage
+, fetchFromGitLab
+, zarith
 , zarith_stubs_js ? null
 , integers_stubs_js
-, integers, hex
-, alcotest, ff-pbt
+, integers
+, hex
+, alcotest
 }:
 
 buildDunePackage rec {
   pname = "bls12-381";
-  version = "5.0.0";
+  version = "6.1.0";
   src = fetchFromGitLab {
-    owner = "dannywillems";
-    repo = "ocaml-bls12-381";
+    owner = "nomadic-labs";
+    repo = "cryptography/ocaml-bls12-381";
     rev = version;
-    sha256 = "sha256-Hy/I+743HSToZgGPFFiAbx7nrybHsE2PwycDsu3DuHM=";
+    sha256 = "sha256-z2ZSOrXgm+XjdrY91vqxXSKhA0DyJz6JkkNljDZznX8=";
   };
 
   minimalOCamlVersion = "4.08";
-  duneVersion = "3";
+
+  postPatch = ''
+    patchShebangs ./src/*.sh
+  '';
 
   propagatedBuildInputs = [
-    ff-sig
     zarith
     zarith_stubs_js
     integers_stubs_js
-    integers
     hex
+    integers
   ];
 
-  checkInputs = [ alcotest ff-pbt ];
+  checkInputs = [
+    alcotest
+  ];
 
   doCheck = true;
 
   meta = {
-    homepage = "https://gitlab.com/dannywillems/ocaml-bls12-381";
-    description = "OCaml binding for bls12-381 from librustzcash";
+    homepage = "	https://nomadic-labs.gitlab.io/cryptography/ocaml-bls12-381/bls12-381/";
+    description = "Implementation of BLS12-381 and some cryptographic primitives built on top of it";
     license = lib.licenses.mit;
     maintainers = [ lib.maintainers.ulrikstrid ];
   };