diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/camlp4.nix b/pkgs/development/tools/ocaml/js_of_ocaml/camlp4.nix
index e9e7f9d279ea..a08aaac832e3 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/camlp4.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/camlp4.nix
@@ -1,21 +1,19 @@
-{ stdenv, fetchFromGitHub, ocaml, findlib, dune, js_of_ocaml-compiler
+{ buildDunePackage, fetchFromGitHub, js_of_ocaml-compiler
 , camlp4, ocsigen_deriving
 }:
 
-stdenv.mkDerivation rec {
-	version = "3.2.1";
-	pname = "js_of_ocaml-camlp4"; 
+buildDunePackage rec {
+  version = "3.2.1";
+  pname = "js_of_ocaml-camlp4";
 
-	src = fetchFromGitHub {
-		owner = "ocsigen";
-		repo = "js_of_ocaml";
-		rev = version;
-		sha256 = "1v2hfq0ra9j07yz6pj6m03hrvgys4vmx0gclchv94yywpb2wc7ik";
-	};
+  src = fetchFromGitHub {
+    owner = "ocsigen";
+    repo = "js_of_ocaml";
+    rev = version;
+    sha256 = "1v2hfq0ra9j07yz6pj6m03hrvgys4vmx0gclchv94yywpb2wc7ik";
+  };
 
-	inherit (js_of_ocaml-compiler) installPhase meta;
+  inherit (js_of_ocaml-compiler) meta;
 
-	buildInputs = [ ocaml findlib dune camlp4 ocsigen_deriving ];
-
-	buildPhase = "dune build -p js_of_ocaml-camlp4";
+  buildInputs = [ camlp4 ocsigen_deriving ];
 }
diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/compiler.nix b/pkgs/development/tools/ocaml/js_of_ocaml/compiler.nix
index 6bad201cc4c9..f1398c2f7c7d 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/compiler.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/compiler.nix
@@ -1,28 +1,28 @@
 { lib, fetchurl, buildDunePackage
-, ocaml, findlib, cmdliner, dune_2, cppo, yojson, ocaml-migrate-parsetree
+, cmdliner, cppo, yojson, ppxlib
 , menhir
 }:
 
 buildDunePackage rec {
-	pname = "js_of_ocaml-compiler";
-	version = "3.7.1";
-	useDune2 = true;
+  pname = "js_of_ocaml-compiler";
+  version = "3.8.0";
+  useDune2 = true;
 
-	src = fetchurl {
-		url = "https://github.com/ocsigen/js_of_ocaml/releases/download/${version}/js_of_ocaml-${version}.tbz";
-		sha256 = "0i0smhvsfx2ydmbyg5ai5cgqsfnng8rkcvys4i3fa55cw24aknrn";
-	};
+  src = fetchurl {
+    url = "https://github.com/ocsigen/js_of_ocaml/releases/download/${version}/js_of_ocaml-${version}.tbz";
+    sha256 = "069jyiayxcgwnips3adxb3d53mzd4rrq2783b9fgmsiyzm545lcy";
+  };
 
-	nativeBuildInputs = [ ocaml findlib dune_2 cppo menhir ];
+  nativeBuildInputs = [ cppo menhir ];
   buildInputs = [ cmdliner ];
 
   configurePlatforms = [];
-	propagatedBuildInputs = [ yojson ocaml-migrate-parsetree ];
+  propagatedBuildInputs = [ yojson ppxlib ];
 
-	meta = {
-		description = "Compiler from OCaml bytecode to Javascript";
-		license = lib.licenses.gpl2;
-		maintainers = [ lib.maintainers.vbgl ];
-		homepage = "https://ocsigen.org/js_of_ocaml/";
-	};
+  meta = {
+    description = "Compiler from OCaml bytecode to Javascript";
+    license = lib.licenses.gpl2;
+    maintainers = [ lib.maintainers.vbgl ];
+    homepage = "https://ocsigen.org/js_of_ocaml/";
+  };
 }
diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/default.nix b/pkgs/development/tools/ocaml/js_of_ocaml/default.nix
index 9a57b590d6cf..25826e94eb3a 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/default.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/default.nix
@@ -1,16 +1,13 @@
-{ stdenv, ocaml, findlib, dune_2, js_of_ocaml-compiler
-, ocaml-migrate-parsetree, ppx_tools_versioned, uchar
+{ buildDunePackage, js_of_ocaml-compiler
+, ppxlib, uchar
 }:
 
-stdenv.mkDerivation {
-  pname = "js_of_ocaml"; 
+buildDunePackage {
+  pname = "js_of_ocaml";
 
-  inherit (js_of_ocaml-compiler) version src installPhase meta;
+  inherit (js_of_ocaml-compiler) version src meta useDune2;
 
-  buildInputs = [ findlib ocaml-migrate-parsetree ppx_tools_versioned ];
-  nativeBuildInputs = [ ocaml findlib dune_2 ];
+  buildInputs = [ ppxlib ];
 
-	propagatedBuildInputs = [ js_of_ocaml-compiler uchar ];
-
-	buildPhase = "dune build -p js_of_ocaml";
+  propagatedBuildInputs = [ js_of_ocaml-compiler uchar ];
 }
diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/lwt.nix b/pkgs/development/tools/ocaml/js_of_ocaml/lwt.nix
index 2ad8578894f5..81b1a41614b0 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/lwt.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/lwt.nix
@@ -1,16 +1,13 @@
-{ stdenv, ocaml, findlib, dune_2, js_of_ocaml-compiler, js_of_ocaml-ppx
-, ocaml-migrate-parsetree, ppx_tools_versioned
+{ buildDunePackage, js_of_ocaml-compiler, js_of_ocaml-ppx
 , js_of_ocaml, ocaml_lwt, lwt_log
 }:
 
-stdenv.mkDerivation {
-	pname = "js_of_ocaml-lwt"; 
+buildDunePackage {
+  pname = "js_of_ocaml-lwt";
 
-	inherit (js_of_ocaml-compiler) version src installPhase meta;
+  inherit (js_of_ocaml-compiler) version src meta useDune2;
 
-	buildInputs = [ ocaml findlib dune_2 js_of_ocaml-ppx ocaml-migrate-parsetree ppx_tools_versioned ];
+  buildInputs = [ js_of_ocaml-ppx ];
 
-	propagatedBuildInputs = [ js_of_ocaml ocaml_lwt lwt_log ];
-
-	buildPhase = "dune build -p js_of_ocaml-lwt";
+  propagatedBuildInputs = [ js_of_ocaml ocaml_lwt lwt_log ];
 }
diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/ocamlbuild.nix b/pkgs/development/tools/ocaml/js_of_ocaml/ocamlbuild.nix
index 50bcd69eb66a..6abb1ac1b3ae 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/ocamlbuild.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/ocamlbuild.nix
@@ -1,15 +1,11 @@
-{ stdenv, ocaml, findlib, dune_2, js_of_ocaml-compiler
+{ buildDunePackage, js_of_ocaml-compiler
 , ocamlbuild
 }:
 
-stdenv.mkDerivation {
-	pname = "js_of_ocaml-ocamlbuild"; 
+buildDunePackage {
+  pname = "js_of_ocaml-ocamlbuild";
 
-	inherit (js_of_ocaml-compiler) version src installPhase meta;
+  inherit (js_of_ocaml-compiler) version src meta useDune2;
 
-	buildInputs = [ ocaml findlib dune_2 ];
-
-	propagatedBuildInputs = [ ocamlbuild ];
-
-	buildPhase = "dune build -p js_of_ocaml-ocamlbuild";
+  propagatedBuildInputs = [ ocamlbuild ];
 }
diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/ppx.nix b/pkgs/development/tools/ocaml/js_of_ocaml/ppx.nix
index 69783c7eada1..b29ef435e46c 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/ppx.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/ppx.nix
@@ -1,14 +1,12 @@
-{ stdenv, ocaml, findlib, dune_2, js_of_ocaml-compiler
-, ocaml-migrate-parsetree, ppx_tools_versioned
+{ buildDunePackage, js_of_ocaml-compiler
+, ppxlib
 , js_of_ocaml
 }:
 
-stdenv.mkDerivation {
-	pname = "js_of_ocaml-ppx"; 
+buildDunePackage {
+  pname = "js_of_ocaml-ppx";
 
-	inherit (js_of_ocaml-compiler) version src installPhase meta;
+  inherit (js_of_ocaml-compiler) version src meta useDune2;
 
-	buildInputs = [ ocaml findlib dune_2 ocaml-migrate-parsetree ppx_tools_versioned js_of_ocaml ];
-
-	buildPhase = "dune build -p js_of_ocaml-ppx";
+  buildInputs = [ ppxlib js_of_ocaml ];
 }
diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/ppx_deriving_json.nix b/pkgs/development/tools/ocaml/js_of_ocaml/ppx_deriving_json.nix
index 8cf05c2a98d5..d862d4bc67b7 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/ppx_deriving_json.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/ppx_deriving_json.nix
@@ -1,19 +1,11 @@
-{ stdenv, ocaml, findlib, dune_2, js_of_ocaml-compiler
+{ buildDunePackage, js_of_ocaml-compiler
 , js_of_ocaml, ppxlib
 }:
 
-if !stdenv.lib.versionAtLeast ppxlib.version "0.14"
-then throw "js_of_ocaml-ppx_deriving_json is not compatible with ppxlib ${ppxlib.version}"
-else
+buildDunePackage {
+  pname = "js_of_ocaml-ppx_deriving_json";
 
-stdenv.mkDerivation {
-	pname = "js_of_ocaml-ppx_deriving_json";
+  inherit (js_of_ocaml-compiler) version src meta useDune2;
 
-	inherit (js_of_ocaml-compiler) version src installPhase meta;
-
-	buildInputs = [ ocaml findlib dune_2 ];
-
-	propagatedBuildInputs = [ js_of_ocaml ppxlib ];
-
-	buildPhase = "dune build -p js_of_ocaml-ppx_deriving_json";
+  propagatedBuildInputs = [ js_of_ocaml ppxlib ];
 }
diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/tyxml.nix b/pkgs/development/tools/ocaml/js_of_ocaml/tyxml.nix
index fcfeeaf8d99a..7082e4b86c97 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/tyxml.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/tyxml.nix
@@ -1,16 +1,14 @@
-{ stdenv, ocaml, findlib, dune_2, js_of_ocaml-compiler
-, js_of_ocaml-ppx, ocaml-migrate-parsetree, ppx_tools_versioned
+{ buildDunePackage, js_of_ocaml-compiler
+, js_of_ocaml-ppx
 , js_of_ocaml, reactivedata, tyxml
 }:
 
-stdenv.mkDerivation {
-	pname = "js_of_ocaml-tyxml";
+buildDunePackage {
+  pname = "js_of_ocaml-tyxml";
 
-	inherit (js_of_ocaml-compiler) version src installPhase meta;
+  inherit (js_of_ocaml-compiler) version src meta useDune2;
 
-	buildInputs = [ ocaml findlib dune_2 js_of_ocaml-ppx ocaml-migrate-parsetree ppx_tools_versioned ];
+  buildInputs = [ js_of_ocaml-ppx ];
 
-	propagatedBuildInputs = [ js_of_ocaml reactivedata tyxml ];
-
-	buildPhase = "dune build -p js_of_ocaml-tyxml";
+  propagatedBuildInputs = [ js_of_ocaml reactivedata tyxml ];
 }