diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3274c8f6cf5..ed7bc8ca825 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -17736,6 +17736,9 @@ in modules // {
 
     buildInputs = with self; [ ];
 
+    # Not supported. Package is no longer maintained.
+    disabled = isPy3k;
+
     meta = {
       description = "Pure-Python PDF toolkit";
       homepage = "http://pybrary.net/pyPdf/";