diff --git a/pkgs/development/python-modules/language-data/default.nix b/pkgs/development/python-modules/language-data/default.nix
index 3a051afba1d8..da1a35456152 100644
--- a/pkgs/development/python-modules/language-data/default.nix
+++ b/pkgs/development/python-modules/language-data/default.nix
@@ -3,41 +3,37 @@
   buildPythonPackage,
   fetchFromGitHub,
   marisa-trie,
-  poetry-core,
   pythonOlder,
-  setuptools,
+  setuptools-scm,
 }:
 
 buildPythonPackage rec {
   pname = "language-data";
-  version = "1.0.1";
+  version = "1.2.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.6";
+  disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
-    owner = "rspeer";
+    owner = "georgkrause";
     repo = "language_data";
     rev = "refs/tags/v${version}";
-    hash = "sha256-51TUVHXPHG6ofbnxI6+o5lrtr+QCIpGKu+OjDK3l7Mc=";
+    hash = "sha256-TVWyDEDI6NBioc8DqhXzpLS22EFKsZ/nan2vfgFsieQ=";
   };
 
-  build-system = [
-    poetry-core
-    setuptools
-  ];
+  build-system = [ setuptools-scm ];
 
   dependencies = [ marisa-trie ];
 
-  # Module has no tests
-  doCheck = false;
-
   pythonImportsCheck = [ "language_data" ];
 
+  # No unittests
+  doCheck = false;
+
   meta = with lib; {
     description = "Supplement module for langcodes";
-    homepage = "https://github.com/rspeer/language_data";
-    changelog = "https://github.com/rspeer/language_data/releases/tag/v${version}";
+    homepage = "https://github.com/georgkrause/language_data";
+    changelog = "https://github.com/georgkrause/language_data/releases/tag/v${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ fab ];
   };