diff --git a/pkgs/development/tools/ocaml/ocsigen-i18n/default.nix b/pkgs/development/tools/ocaml/ocsigen-i18n/default.nix
index b12aa2e6d6d..c3da3bc2327 100644
--- a/pkgs/development/tools/ocaml/ocsigen-i18n/default.nix
+++ b/pkgs/development/tools/ocaml/ocsigen-i18n/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation rec
 {
   pname = "ocsigen-i18n";
-  version = "3.5.0";
+  version = "3.7.0";
 
   buildInputs = with ocamlPackages; [ ocaml findlib ppx_tools ];
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec
 
   src = fetchzip {
     url = "https://github.com/besport/${pname}/archive/${version}.tar.gz";
-    sha256 = "1qsgwfl64b53w235wm7nnchqinzgsvd2gb52xm0kra2wlwp69rfq";
+    sha256 = "sha256-PmdDyn+MUcNFrZpP/KLGQzdXUFRr+dYRAZjTZxHSeaw=";
   };
 
   meta = {