diff --git a/pkgs/development/tools/ocaml/utop/default.nix b/pkgs/development/tools/ocaml/utop/default.nix
index c0aa1d16374..f3092a696b1 100644
--- a/pkgs/development/tools/ocaml/utop/default.nix
+++ b/pkgs/development/tools/ocaml/utop/default.nix
@@ -8,11 +8,11 @@ else
 
 buildDunePackage rec {
   pname = "utop";
-  version = "2.4.2";
+  version = "2.4.3";
 
   src = fetchurl {
     url = "https://github.com/ocaml-community/utop/releases/download/${version}/utop-${version}.tbz";
-    sha256 = "0y2v8rkfz19nlz8gh0lkh5wx5hyvw5gl4nw1kg8j2pw9jnilq5nb";
+    sha256 = "107al0l3x4a5kkjka7glmhsqlm7pwzzc6shspiv5gsjb49pblc2f";
   };
 
   nativeBuildInputs = [ makeWrapper ];