diff --git a/modelscan/modelscan.py b/modelscan/modelscan.py
index bd55dab..f459119 100644
--- a/modelscan/modelscan.py
+++ b/modelscan/modelscan.py
@@ -150,7 +150,7 @@ def _generate_results(self) -> Dict[str, Any]:
         total_issue_count = len(self._issues.all_issues)
 
         report["modelscan_version"] = __version__
-        report["timestamp"] = datetime.now().strftime("%m/%d/%Y, %H:%M:%S")
+        report["timestamp"] = datetime.now().isoformat()
         report["input_path"] = self._input_path
         report["total_issues"] = total_issue_count
         report["summary"] = {"total_issues_by_severity": {}}