1 files changed, 10 insertions, 9 deletions
diff --git a/pkgs/development/ocaml-modules/iso8601/default.nix b/pkgs/development/ocaml-modules/iso8601/default.nix
index d1b55609bc4..add18281008 100644
--- a/pkgs/development/ocaml-modules/iso8601/default.nix
+++ b/pkgs/development/ocaml-modules/iso8601/default.nix
@@ -1,13 +1,14 @@
-{ stdenv, lib, fetchzip, ocaml, findlib, ocamlbuild }:
+{ stdenv, lib, fetchFromGitHub, ocaml, findlib, ocamlbuild }:
 
-let version = "0.2.4"; in
-
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "ocaml-iso8601";
-  inherit version;
-  src = fetchzip {
-    url = "https://github.com/sagotch/ISO8601.ml/archive/${version}.tar.gz";
-    sha256 = "0ypdd1p04xdjxxx3b61wp7abswfrq3vcvwwaxvywxwqljw0dhydi";
+  version = "0.2.4";
+
+  src = fetchFromGitHub {
+    owner = "sagotch";
+    repo = "ISO8601.ml";
+    rev = version;
+    sha256 = "sha256-sXnYAJcU88797orzzfbA2XG91Lk8mDV677J1Am5o7Xo=";
   };
 
   buildInputs = [ ocaml findlib ocamlbuild ];
@@ -17,7 +18,7 @@ stdenv.mkDerivation {
     homepage = "https://ocaml-community.github.io/ISO8601.ml/";
     description = "ISO 8601 and RFC 3999 date parsing for OCaml";
     license = lib.licenses.mit;
-    platforms = ocaml.meta.platforms or [];
+    platforms = ocaml.meta.platforms or [ ];
     maintainers = with lib.maintainers; [ vbgl ];
   };
 }