diff --git a/pkgs/development/python-modules/cytoolz/default.nix b/pkgs/development/python-modules/cytoolz/default.nix
index 86ee238eb10f..70c7e6f3c9fa 100644
--- a/pkgs/development/python-modules/cytoolz/default.nix
+++ b/pkgs/development/python-modules/cytoolz/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "cytoolz";
-  version = "0.11.0";
+  version = "0.11.2";
   disabled = isPy27 || isPyPy;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c64f3590c3eb40e1548f0d3c6b2ccde70493d0b8dc6cc7f9f3fec0bb3dcd4222";
+    sha256 = "ea23663153806edddce7e4153d1d407d62357c05120a4e8485bddf1bd5ab22b4";
   };
 
   checkInputs = [ nose ];