diff --git a/pkgs/development/python-modules/siosocks/default.nix b/pkgs/development/python-modules/siosocks/default.nix
index d588c2dff625..a1235b41a76a 100644
--- a/pkgs/development/python-modules/siosocks/default.nix
+++ b/pkgs/development/python-modules/siosocks/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "siosocks";
-  version = "0.2.0";
+  version = "0.3.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-k2+qTtxkF0rT5LLPW8icePbf9jNopdo9uDp3NPA9SRo=";
+    sha256 = "sha256-uja79vWhPYOhhTUBIh+XpS4GnrYJy0/XpDXXQjnyHWM=";
   };
 
   propagatedBuildInputs = [