diff --git a/pkgs/development/python-modules/smpplib/default.nix b/pkgs/development/python-modules/smpplib/default.nix
index 4a1753d7a7ae..9db4eef1fb65 100644
--- a/pkgs/development/python-modules/smpplib/default.nix
+++ b/pkgs/development/python-modules/smpplib/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "smpplib";
-  version = "2.2.3";
+  version = "2.2.4";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-UhWpWwU40m8YlgDgmCsx2oKB90U81uKGLFsh4+EAIzE=";
+    hash = "sha256-bzsDb8smQ8G3oyibtaxMmnIK8b9z5XLicp22tdgAwnM=";
   };
 
   propagatedBuildInputs = [ six ];