diff --git a/pkgs/development/ocaml-modules/batteries/default.nix b/pkgs/development/ocaml-modules/batteries/default.nix
index 38a28eafae8d..16d9e7c50fb7 100644
--- a/pkgs/development/ocaml-modules/batteries/default.nix
+++ b/pkgs/development/ocaml-modules/batteries/default.nix
@@ -1,34 +1,25 @@
-{ stdenv, lib, fetchFromGitHub, ocaml, findlib, ocamlbuild, qtest, qcheck, num, camlp-streams
-, doCheck ? lib.versionAtLeast ocaml.version "4.08" && !stdenv.isAarch64
+{ stdenv, lib, fetchFromGitHub, buildDunePackage, ocaml, qtest, qcheck, num, camlp-streams
+, doCheck ? lib.versionAtLeast ocaml.version "4.08"
 }:
 
-if lib.versionOlder ocaml.version "4.02"
-then throw "batteries is not available for OCaml ${ocaml.version}"
-else
-
-stdenv.mkDerivation rec {
-  pname = "ocaml${ocaml.version}-batteries";
-  version = "3.6.0";
+buildDunePackage rec {
+  pname = "batteries";
+  version = "3.7.1";
 
   src = fetchFromGitHub {
     owner = "ocaml-batteries-team";
     repo = "batteries-included";
     rev = "v${version}";
-    hash = "sha256-D/0h0/70V8jmzHIUR6i2sT2Jz9/+tfR2dQgp4Bxtimc=";
+    hash = "sha256-0ZCaJA9xowO9QxCWcyJ1zhqG7+GNkMYJt62+VPOFj4Y=";
   };
 
-  nativeBuildInputs = [ ocaml findlib ocamlbuild ];
   nativeCheckInputs = [ qtest ];
   checkInputs = [ qcheck ];
   propagatedBuildInputs = [ camlp-streams num ];
 
-  strictDeps = true;
-
   inherit doCheck;
   checkTarget = "test";
 
-  createFindlibDestdir = true;
-
   meta = {
     homepage = "https://ocaml-batteries-team.github.io/batteries-included/hdoc2/";
     description = "OCaml Batteries Included";
@@ -38,7 +29,6 @@ stdenv.mkDerivation rec {
       language.
     '';
     license = lib.licenses.lgpl21Plus;
-    inherit (ocaml.meta) platforms;
     maintainers = [
       lib.maintainers.maggesi
     ];
diff --git a/pkgs/development/ocaml-modules/telegraml/default.nix b/pkgs/development/ocaml-modules/telegraml/default.nix
index 1aca2da2974c..d58e6adfe2e5 100644
--- a/pkgs/development/ocaml-modules/telegraml/default.nix
+++ b/pkgs/development/ocaml-modules/telegraml/default.nix
@@ -10,7 +10,6 @@
 buildDunePackage rec {
   pname = "telegraml";
   version = "unstable-2021-06-17";
-  duneVersion = "3";
 
   src = fetchFromGitHub {
     owner = "nv-vn";
@@ -19,6 +18,10 @@ buildDunePackage rec {
     sha256 = "sha256-2bMHARatwl8Zl/fWppvwbH6Ut+igJVKzwyQb8Q4gem4=";
   };
 
+  postPatch = ''
+    substituteInPlace src/dune --replace batteries batteries.unthreaded
+  '';
+
   propagatedBuildInputs = [
     batteries
     cohttp-lwt-unix