diff --git a/pkgs/development/python-modules/nose2/default.nix b/pkgs/development/python-modules/nose2/default.nix
index 9ba65a222599..300ed80ca408 100644
--- a/pkgs/development/python-modules/nose2/default.nix
+++ b/pkgs/development/python-modules/nose2/default.nix
@@ -3,21 +3,22 @@
 , fetchPypi
 , six
 , pythonOlder
-, mock
 , coverage
 }:
 
 buildPythonPackage rec {
   pname = "nose2";
-  version = "0.9.1";
+  version = "0.9.2";
+
+  # Requires mock 2.0.0 if python < 3.6, but NixPkgs has mock 3.0.5.
+  disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "16drs4bc2wvgwwi1pf6pmk6c00pl16vs1v7djc4a8kwpsxpibphf";
+    sha256 = "0pmbb6nk31yhgh4zkcblzxsznml7f7pf5q1ihgrwvbxv4mwzfql7";
   };
 
-  propagatedBuildInputs = [ six coverage ]
-    ++ stdenv.lib.optionals (pythonOlder "3.4") [ mock ];
+  propagatedBuildInputs = [ six coverage ];
 
   # AttributeError: 'module' object has no attribute 'collector'
   doCheck = false;