diff --git a/pkgs/development/python-modules/nwdiag/default.nix b/pkgs/development/python-modules/nwdiag/default.nix
index 7e34f3897bc..a43a8eff368 100644
--- a/pkgs/development/python-modules/nwdiag/default.nix
+++ b/pkgs/development/python-modules/nwdiag/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "nwdiag";
-  version = "1.0.4";
+  version = "2.0.0";
 
   src = fetchurl {
     url = "mirror://pypi/n/nwdiag/${pname}-${version}.tar.gz";
-    sha256 = "002565875559789a2dfc5f578c07abdf44269c3f7cdf78d4809bdc4bdc2213fa";
+    sha256 = "1qkl1lq7cblr6fra2rjw3zlcccragp8384hpm4n7dkc5c3yzmmsw";
   };
 
   buildInputs = [ pep8 nose unittest2 docutils ];