diff --git a/pkgs/development/ocaml-modules/ocurl/default.nix b/pkgs/development/ocaml-modules/ocurl/default.nix
index 73670fb3125..2cfb6af68a8 100644
--- a/pkgs/development/ocaml-modules/ocurl/default.nix
+++ b/pkgs/development/ocaml-modules/ocurl/default.nix
@@ -1,9 +1,9 @@
 { stdenv, ocaml, findlib, fetchurl, curl, ncurses }:
 
 stdenv.mkDerivation rec {
-  name = "ocurl-0.7.2";
+  name = "ocurl-0.7.5";
   src = fetchurl {
-    url = "https://forge.ocamlcore.org/frs/download.php/1463/${name}.tar.gz";
+    url = "https://forge.ocamlcore.org/frs/download.php/1463/${name}.tar.bz2";
     sha256 = "0yn7f3g5wva8nqxh76adpq9rihggc405jkqysfghzwnf3yymyqrr";
   };