diff --git a/pkgs/development/python-modules/pagelabels/default.nix b/pkgs/development/python-modules/pagelabels/default.nix
index 9ec16df309e0..cd7a1315e74d 100644
--- a/pkgs/development/python-modules/pagelabels/default.nix
+++ b/pkgs/development/python-modules/pagelabels/default.nix
@@ -5,17 +5,19 @@
   pdfrw,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pagelabels";
   version = "1.2.1";
   format = "setuptools";
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     sha256 = "sha256-GAEyhECToKnIWBxnYTSOsYKZBjl50b/82mZ68i8I2ug=";
   };
 
-  buildInputs = [ pdfrw ];
+  dependencies = [
+    pdfrw
+  ];
 
   # upstream doesn't contain tests
   doCheck = false;
@@ -26,4 +28,4 @@ buildPythonPackage rec {
     maintainers = with lib.maintainers; [ teto ];
     license = lib.licenses.gpl3;
   };
-}
+})