diff --git a/pkgs/development/python-modules/demetriek/default.nix b/pkgs/development/python-modules/demetriek/default.nix
index 4a4a6ebd0c02..b8e79c10286d 100644
--- a/pkgs/development/python-modules/demetriek/default.nix
+++ b/pkgs/development/python-modules/demetriek/default.nix
@@ -18,7 +18,7 @@
 
 buildPythonPackage rec {
   pname = "demetriek";
-  version = "1.1.1";
+  version = "1.2.0";
   pyproject = true;
 
   disabled = pythonOlder "3.11";
@@ -27,7 +27,7 @@ buildPythonPackage rec {
     owner = "frenck";
     repo = "python-demetriek";
     tag = "v${version}";
-    hash = "sha256-OTYQFw3Jy+sRGoPYVp5VKgCAzv9Gy2Fn2GjTGdsKjak=";
+    hash = "sha256-KqLkct4Kd8wa5eKYJJq1y/5z5PbO0XaK0aGzs3bm8fs=";
   };
 
   postPatch = ''