diff --git a/pkgs/by-name/un/unstructured-api/package.nix b/pkgs/by-name/un/unstructured-api/package.nix
index 6e996053ba4e..28cef6409579 100644
--- a/pkgs/by-name/un/unstructured-api/package.nix
+++ b/pkgs/by-name/un/unstructured-api/package.nix
@@ -101,7 +101,7 @@ let
       pypdfium2
       python-dateutil
       python-docx
-      # python-iso639
+      python-iso639
       python-magic
       python-multipart
       # python-oxmsg
diff --git a/pkgs/development/python-modules/python-iso639/default.nix b/pkgs/development/python-modules/python-iso639/default.nix
index f467a5393258..44f006385fec 100644
--- a/pkgs/development/python-modules/python-iso639/default.nix
+++ b/pkgs/development/python-modules/python-iso639/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "python-iso639";
-  version = "2025.2.18";
+  version = "2025.11.11";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "jacksonllee";
     repo = "iso639";
     tag = "v${version}";
-    hash = "sha256-CVLyeXA0FXLCthNO3SLgTvxi4sJI5fPhuqEbnDb4L/s=";
+    hash = "sha256-XFgtb19tL1/FwCMx9wHesBunyRVhY3cEVh2nq2jtqk4=";
   };
 
   build-system = [ setuptools ];