diff --git a/pkgs/development/ocaml-modules/curly/default.nix b/pkgs/development/ocaml-modules/curly/default.nix
index 5f0e93f8f26d..03918c0d4829 100644
--- a/pkgs/development/ocaml-modules/curly/default.nix
+++ b/pkgs/development/ocaml-modules/curly/default.nix
@@ -4,15 +4,15 @@
 
 buildDunePackage rec {
   pname = "curly";
-  version = "0.2.0";
+  version = "0.3.0";
 
-  minimalOCamlVersion = "4.02";
+  minimalOCamlVersion = "4.03";
 
   duneVersion = "3";
 
   src = fetchurl {
     url = "https://github.com/rgrinberg/curly/releases/download/${version}/curly-${version}.tbz";
-    hash = "sha256-01D1+03CqxLrPoBbNWpSKOzABJf63DhQLA1kRWdueB8=";
+    hash = "sha256-Qn/PKBNOcMt3dk2f7uJD8x0yo4RHobXSjTQck7fcXTw=";
   };
 
   propagatedBuildInputs = [ result ];