diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 224b551d86e5..aaefcc0830fd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4223,13 +4223,16 @@ pythonPackages = modules // import ./python-packages-generated.nix {
 
 
   psutil = buildPythonPackage rec {
-    name = "psutil-0.6.1";
+    name = "psutil-1.0.1";
 
     src = fetchurl {
       url = "http://psutil.googlecode.com/files/${name}.tar.gz";
-      sha256 = "0vqarv63jqzghr4fi1fqdbvg847fq2gqdj8dzc3x59f9b36a8rfn";
+      sha256 = "1zrzh7hi0f79sf9axwrw3c2kl86qs72kvx8xbbrdwlp39rfa1i1f";
     };
 
+    # failed tests: https://code.google.com/p/psutil/issues/detail?id=434
+    doCheck = false;
+
     meta = {
       description = "Process and system utilization information interface for python";
       homepage = http://code.google.com/p/psutil/;