diff --git a/pkgs/development/ocaml-modules/ocamlnet/default.nix b/pkgs/development/ocaml-modules/ocamlnet/default.nix
index 492bb9c67cdf..33f328792110 100644
--- a/pkgs/development/ocaml-modules/ocamlnet/default.nix
+++ b/pkgs/development/ocaml-modules/ocamlnet/default.nix
@@ -1,23 +1,17 @@
 { stdenv, fetchurl, pkgconfig, ncurses, ocaml, findlib, ocaml_pcre, camlzip
-, gnutls, nettle, fetchpatch
+, gnutls, nettle
 }:
 
-let version = "4.1.5"; in
+let version = "4.1.6"; in
 
 stdenv.mkDerivation {
   name = "ocaml${ocaml.version}-ocamlnet-${version}";
 
   src = fetchurl {
     url = "http://download.camlcity.org/download/ocamlnet-${version}.tar.gz";
-    sha256 = "1ppcd2zjhj6s3ib9q8dngnr53qlmkhvv7a8hzp88r79k6jygn4cm";
+    sha256 = "1j0k0drybcjpysvs8xpq3cnpg3wqk6d5sy7y1h5rq8jk7hrirf0k";
   };
 
-  patches = [ (fetchpatch {
-      url = "https://raw.githubusercontent.com/ocaml/opam-repository/master/packages/ocamlnet/ocamlnet.4.1.5/files/netgzip.patch";
-      sha256 = "1say7zzgk24qcy9m91gcfgvz4fv7nksx4j5qnbxyq8wqw0g88ba0";
-    })
-  ];
-
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ ncurses ocaml findlib ocaml_pcre camlzip gnutls nettle ];