diff --git a/pkgs/development/python-modules/hiro/default.nix b/pkgs/development/python-modules/hiro/default.nix
index 4d9ebdb0129..ea6cb6d34e3 100644
--- a/pkgs/development/python-modules/hiro/default.nix
+++ b/pkgs/development/python-modules/hiro/default.nix
@@ -1,11 +1,11 @@
 { stdenv, buildPythonPackage, fetchPypi, six, mock }:
 buildPythonPackage rec {
   pname = "hiro";
-  version = "0.5";
+  version = "0.5.1";
   src = fetchPypi {
     inherit pname version;
 
-    sha256 = "57d9dac63077f24c3d0132c02ac5c71e4bd1d79bdac30dccad4c83fadd49fa1c";
+    sha256 = "d10e3b7f27b36673b4fa1283cd38d610326ba1ff1291260d0275152f15ae4bc7";
   };
 
   propagatedBuildInputs = [ six mock ];