diff --git a/pkgs/development/ocaml-modules/fileutils/default.nix b/pkgs/development/ocaml-modules/fileutils/default.nix
index 9dfffbf48c55..6265a4b90cae 100644
--- a/pkgs/development/ocaml-modules/fileutils/default.nix
+++ b/pkgs/development/ocaml-modules/fileutils/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, ocaml, findlib, ocamlbuild, ounit }:
 
 stdenv.mkDerivation {
-  name = "ocaml-fileutils-0.5.0";
+  name = "ocaml-fileutils-0.5.1";
 
   src = fetchurl {
-    url = https://forge.ocamlcore.org/frs/download.php/1531/ocaml-fileutils-0.5.0.tar.gz;
-    sha256 = "0xs96nlrrm335mcsgsxnqzspiqyfn26b0jjxm72br7c7ax534n47";
+    url = https://forge.ocamlcore.org/frs/download.php/1651/ocaml-fileutils-0.5.1.tar.gz;
+    sha256 = "0g6zx2rcvacklxyli19ixcf6ich9ipxsps4k3jz98f5zlaab0a7g";
   };
 
   buildInputs = [ ocaml findlib ocamlbuild ounit ];