diff --git a/pkgs/development/ocaml-modules/qcheck/core.nix b/pkgs/development/ocaml-modules/qcheck/core.nix
index e1b3503b5418..efa3f11967ec 100644
--- a/pkgs/development/ocaml-modules/qcheck/core.nix
+++ b/pkgs/development/ocaml-modules/qcheck/core.nix
@@ -2,17 +2,17 @@
 
 buildDunePackage rec {
   pname = "qcheck-core";
-  version = "0.17";
+  version = "0.18";
 
   useDune2 = true;
 
-  minimumOCamlVersion = "4.03";
+  minimalOCamlVersion = "4.08";
 
   src = fetchFromGitHub {
     owner = "c-cube";
     repo = "qcheck";
-    rev = version;
-    sha256 = "0qfyqhfg98spmfci9z6f527a16gwjnx2lrbbgw67p37ys5acrfar";
+    rev = "v${version}";
+    sha256 = "1s652hrj2sxqj30dfl300zjvvqk3r62a1bnzqw1hqyf6pi88qn8x";
   };
 
   meta = {