diff --git a/pkgs/development/ocaml-modules/kcas/default.nix b/pkgs/development/ocaml-modules/kcas/default.nix
index 7f7a12258baf..f1945790168c 100644
--- a/pkgs/development/ocaml-modules/kcas/default.nix
+++ b/pkgs/development/ocaml-modules/kcas/default.nix
@@ -5,28 +5,45 @@
   domain-local-await,
   domain-local-timeout,
   alcotest,
+  multicore-magic,
+  backoff,
+  domain_shims,
+  mdx,
 }:
 
 buildDunePackage rec {
   pname = "kcas";
-  version = "0.6.1";
+  version = "0.7.0";
+
+  minimalOCamlVersion = "4.13.0";
 
   src = fetchurl {
     url = "https://github.com/ocaml-multicore/kcas/releases/download/${version}/kcas-${version}.tbz";
-    hash = "sha256-u3Z8uAvITRUhOcB2EUYjWtpxIFJMvm2O/kyNr/AELWI=";
+    hash = "sha256-mo/otnkB79QdyVgLw1sZFfkR/Z/l15cRVfEYPPd6H5E=";
   };
 
   propagatedBuildInputs = [
     domain-local-await
     domain-local-timeout
+    multicore-magic
+    backoff
   ];
 
   doCheck = true;
-  checkInputs = [ alcotest ];
+  nativeCheckInputs = [ mdx.bin ];
+  checkInputs = [
+    alcotest
+    domain_shims
+    mdx
+  ];
 
   meta = {
     homepage = "https://github.com/ocaml-multicore/kcas";
     description = "STM based on lock-free MCAS";
+    longDescription = ''
+      A software transactional memory (STM) implementation based on an atomic lock-free multi-word compare-and-set (MCAS) algorithm enhanced with read-only compare operations and ability to block awaiting for changes.
+    '';
+    changelog = "https://raw.githubusercontent.com/ocaml-multicore/kcas/refs/tags/${version}/CHANGES.md";
     license = lib.licenses.isc;
     maintainers = [ lib.maintainers.vbgl ];
   };