diff --git a/pkgs/development/python-modules/paramz/default.nix b/pkgs/development/python-modules/paramz/default.nix
index f537b8d8e314..0183379ac004 100644
--- a/pkgs/development/python-modules/paramz/default.nix
+++ b/pkgs/development/python-modules/paramz/default.nix
@@ -2,12 +2,12 @@
 
 buildPythonPackage rec {
   pname = "paramz";
-  version = "0.9.4";
+  version = "0.9.5";
   name  = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "179ca77a965e6e724217257793e3c8c022285ea2190a85e0826ac98dea316219";
+    sha256 = "0917211c0f083f344e7f1bc997e0d713dbc147b6380bc19f606119394f820b9a";
   };
 
   propagatedBuildInputs = [ numpy scipy six decorator ];