diff --git a/pkgs/development/ocaml-modules/junit/alcotest.nix b/pkgs/development/ocaml-modules/junit/alcotest.nix
index edec978cbe8e..eb750b4372a7 100644
--- a/pkgs/development/ocaml-modules/junit/alcotest.nix
+++ b/pkgs/development/ocaml-modules/junit/alcotest.nix
@@ -1,19 +1,20 @@
 {
   buildDunePackage,
+  lib,
+  ocaml,
   junit,
   alcotest,
 }:
 
-buildDunePackage ({
+buildDunePackage {
   pname = "junit_alcotest";
 
   inherit (junit) src version meta;
-  duneVersion = "3";
 
   propagatedBuildInputs = [
     junit
     alcotest
   ];
 
-  doCheck = false; # 2 tests fail: 1) "Test with unexpected exception"; 2) "with wrong result";
-})
+  doCheck = lib.versionAtLeast ocaml.version "4.12";
+}
diff --git a/pkgs/development/ocaml-modules/junit/default.nix b/pkgs/development/ocaml-modules/junit/default.nix
index e615c40d9a58..9604ec31e75a 100644
--- a/pkgs/development/ocaml-modules/junit/default.nix
+++ b/pkgs/development/ocaml-modules/junit/default.nix
@@ -8,11 +8,11 @@
 
 buildDunePackage (rec {
   pname = "junit";
-  version = "2.0.2";
+  version = "2.3.0";
 
   src = fetchurl {
     url = "https://github.com/Khady/ocaml-junit/releases/download/${version}/junit-${version}.tbz";
-    sha256 = "00bbx5j8vsy9fqbc04xa3lsalaxicirmbczr65bllfk1afv43agx";
+    hash = "sha256-j+4lfuQEWq8z8ik/zfA5phWqv8km+tGEzqG/63cbhTM=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/ocaml-modules/junit/ounit.nix b/pkgs/development/ocaml-modules/junit/ounit.nix
index 2a0c47d01a51..6e4b79eea272 100644
--- a/pkgs/development/ocaml-modules/junit/ounit.nix
+++ b/pkgs/development/ocaml-modules/junit/ounit.nix
@@ -1,18 +1,17 @@
 {
   buildDunePackage,
   junit,
-  ounit,
+  ounit2,
 }:
 
 buildDunePackage ({
   pname = "junit_ounit";
 
   inherit (junit) src version meta;
-  duneVersion = "3";
 
   propagatedBuildInputs = [
     junit
-    ounit
+    ounit2
   ];
 
   doCheck = true;