diff --git a/pkgs/development/ocaml-modules/csexp/default.nix b/pkgs/development/ocaml-modules/csexp/default.nix
index 664d9a773ab0..e81962780751 100644
--- a/pkgs/development/ocaml-modules/csexp/default.nix
+++ b/pkgs/development/ocaml-modules/csexp/default.nix
@@ -1,24 +1,24 @@
-{ lib, fetchurl, buildDunePackage, result }:
+{ lib, fetchurl, buildDunePackage, liquidsoap }:
 
 buildDunePackage rec {
   pname = "csexp";
-  version = "1.5.1";
+  version = "1.5.2";
 
   src = fetchurl {
     url = "https://github.com/ocaml-dune/csexp/releases/download/${version}/csexp-${version}.tbz";
-    sha256 = "sha256-1gXkBl+pCliABEDvLzOi2TE5i/LCIGGorLffhFwKrAI=";
+    hash = "sha256-GhTdBLtDeaQZkCSFUGKMd5E6nAfzw1wTcLaWDml3h/8=";
   };
 
-  minimumOCamlVersion = "4.03";
-  useDune2 = true;
+  minimalOCamlVersion = "4.03";
 
-  propagatedBuildInputs = [
-    result
-  ];
+  passthru.tests = {
+    inherit liquidsoap;
+  };
 
   meta = with lib; {
-    homepage = "https://github.com/ocaml-dune/csexp/";
     description = "Minimal support for Canonical S-expressions";
+    homepage = "https://github.com/ocaml-dune/csexp";
+    changelog = "https://github.com/ocaml-dune/csexp/raw/${version}/CHANGES.md";
     license = licenses.mit;
     maintainers = with maintainers; [ marsam ];
   };