diff --git a/pkgs/development/python-modules/versioneer/default.nix b/pkgs/development/python-modules/versioneer/default.nix
index 3685e78d4b4e..5336420c79af 100644
--- a/pkgs/development/python-modules/versioneer/default.nix
+++ b/pkgs/development/python-modules/versioneer/default.nix
@@ -1,25 +1,29 @@
-{ lib, buildPythonPackage, fetchPypi, isPy27 }:
-
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+}:
 
 buildPythonPackage rec {
   pname = "versioneer";
-  version = "0.19";
-  disabled = isPy27;
+  version = "0.20";
+  disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a4fed39bbebcbd2d07f8a86084773f303cb442709491955a0e6754858e47afae";
+    sha256 = "sha256-Ljk2AOwnF7efWcmE942TX3bkbEyu+HWoe4tO1gLy/2U=";
   };
 
   # Couldn't get tests to work because, for instance, they used virtualenv and
   # pip.
   doCheck = false;
 
+  pythonImportsCheck = [ "versioneer" ];
+
   meta = with lib; {
     description = "Version-string management for VCS-controlled trees";
     homepage = "https://github.com/warner/python-versioneer";
     license = licenses.publicDomain;
     maintainers = with maintainers; [ jluttine ];
   };
-
 }