diff --git a/pkgs/development/python-modules/toolz/default.nix b/pkgs/development/python-modules/toolz/default.nix
index 974e3a43bc7..7f506e56413 100644
--- a/pkgs/development/python-modules/toolz/default.nix
+++ b/pkgs/development/python-modules/toolz/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec{
   pname = "toolz";
-  version = "0.9.0";
+  version = "0.10.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "929f0a7ea7f61c178bd951bdae93920515d3fbdbafc8e6caf82d752b9b3b31c9";
+    sha256 = "08fdd5ef7c96480ad11c12d472de21acd32359996f69a5259299b540feba4560";
   };
 
   checkInputs = [ nose ];