diff --git a/pkgs/development/ocaml-modules/resource-pooling/default.nix b/pkgs/development/ocaml-modules/resource-pooling/default.nix
index 51407f6b49d..463f8b386f2 100644
--- a/pkgs/development/ocaml-modules/resource-pooling/default.nix
+++ b/pkgs/development/ocaml-modules/resource-pooling/default.nix
@@ -1,18 +1,16 @@
 { lib, fetchFromGitHub, buildDunePackage, lwt_log }:
 
 buildDunePackage rec {
-  version = "1.1";
+  version = "1.2";
   pname = "resource-pooling";
 
-  useDune2 = true;
-
-  minimumOCamlVersion = "4.06";
+  minimalOCamlVersion = "4.06";
 
   src = fetchFromGitHub {
     owner = "ocsigen";
     repo = pname;
     rev = version;
-    sha256 = "0wsbnwszafdv3gsiiaslgf6m6pfx74h7h19i0gp2c4ivdiv3wck9";
+    sha256 = "sha256-GNYPxjMTo7y40y7aQdseuFyeVF/hSCZKXfEaH/WIO9w=";
   };
 
   propagatedBuildInputs = [ lwt_log ];