diff --git a/pkgs/development/ocaml-modules/qcheck/alcotest.nix b/pkgs/development/ocaml-modules/qcheck/alcotest.nix
index aebe6bd95a85..4f1baec1e556 100644
--- a/pkgs/development/ocaml-modules/qcheck/alcotest.nix
+++ b/pkgs/development/ocaml-modules/qcheck/alcotest.nix
@@ -3,7 +3,7 @@
 buildDunePackage {
   pname = "qcheck-alcotest";
 
-  inherit (qcheck-core) version useDune2 src;
+  inherit (qcheck-core) version src;
 
   propagatedBuildInputs = [ qcheck-core alcotest ];
 
diff --git a/pkgs/development/ocaml-modules/qcheck/core.nix b/pkgs/development/ocaml-modules/qcheck/core.nix
index efa3f11967ec..6a2bba1acd2c 100644
--- a/pkgs/development/ocaml-modules/qcheck/core.nix
+++ b/pkgs/development/ocaml-modules/qcheck/core.nix
@@ -2,9 +2,7 @@
 
 buildDunePackage rec {
   pname = "qcheck-core";
-  version = "0.18";
-
-  useDune2 = true;
+  version = "0.19.1";
 
   minimalOCamlVersion = "4.08";
 
@@ -12,7 +10,7 @@ buildDunePackage rec {
     owner = "c-cube";
     repo = "qcheck";
     rev = "v${version}";
-    sha256 = "1s652hrj2sxqj30dfl300zjvvqk3r62a1bnzqw1hqyf6pi88qn8x";
+    sha256 = "sha256-AZ1Ww6CWt3X1bXXcofMe14rTlMTC9hmohcKdZLUKEvE=";
   };
 
   meta = {
diff --git a/pkgs/development/ocaml-modules/qcheck/default.nix b/pkgs/development/ocaml-modules/qcheck/default.nix
index dc73f42a13b0..2a0e6c0ae40c 100644
--- a/pkgs/development/ocaml-modules/qcheck/default.nix
+++ b/pkgs/development/ocaml-modules/qcheck/default.nix
@@ -3,7 +3,7 @@
 buildDunePackage {
   pname = "qcheck";
 
-  inherit (qcheck-ounit) version useDune2 src;
+  inherit (qcheck-ounit) version src;
 
   propagatedBuildInputs = [ qcheck-ounit ];
 
diff --git a/pkgs/development/ocaml-modules/qcheck/ounit.nix b/pkgs/development/ocaml-modules/qcheck/ounit.nix
index 62b082f48fb2..06897987a954 100644
--- a/pkgs/development/ocaml-modules/qcheck/ounit.nix
+++ b/pkgs/development/ocaml-modules/qcheck/ounit.nix
@@ -3,7 +3,7 @@
 buildDunePackage {
   pname = "qcheck-ounit";
 
-  inherit (qcheck-core) version useDune2 src;
+  inherit (qcheck-core) version src;
 
   propagatedBuildInputs = [ qcheck-core ounit ];