diff --git a/pkgs/development/python-modules/py-ocsf-models/default.nix b/pkgs/development/python-modules/py-ocsf-models/default.nix
index 9a1192f397d5..2af82ca3f62e 100644
--- a/pkgs/development/python-modules/py-ocsf-models/default.nix
+++ b/pkgs/development/python-modules/py-ocsf-models/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "py-ocsf-models";
-  version = "0.2.0";
+  version = "0.3.1";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "prowler-cloud";
     repo = "py-ocsf-models";
     tag = version;
-    hash = "sha256-cFtWPO78KRh7IY+ePTzXpLPbZm+EtNvuJkhZZzKKjaA=";
+    hash = "sha256-rvQdk3ZT34UY70vOXNN6Cm8c11Xh7TTU+PurMKwZHQE=";
   };
 
   pythonRelaxDeps = true;
@@ -44,7 +44,7 @@ buildPythonPackage rec {
   meta = {
     description = "OCSF models in Python using Pydantic";
     homepage = "https://github.com/prowler-cloud/py-ocsf-models";
-    changelog = "https://github.com/prowler-cloud/py-ocsf-models/releases/tag/${version}";
+    changelog = "https://github.com/prowler-cloud/py-ocsf-models/releases/tag/${src.tag}";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ fab ];
   };