diff --git a/python_template_server/models.py b/python_template_server/models.py
index 6db6e31..398f542 100644
--- a/python_template_server/models.py
+++ b/python_template_server/models.py
@@ -91,6 +91,7 @@ def save_to_file(self, filepath: Path) -> None:
         """
         with filepath.open("w", encoding="utf-8") as config_file:
             config_file.write(self.model_dump_json(indent=2))
+            config_file.write("\n")
 
 
 # Prometheus Metric Models
diff --git a/tests/test_models.py b/tests/test_models.py
index 5e23bf4..aec19aa 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -133,7 +133,7 @@ def test_save_to_file(
         """Test the save_to_file method."""
         config_file = tmp_path / "config.json"
         mock_template_server_config.save_to_file(config_file)
-        assert config_file.read_text(encoding="utf-8") == mock_template_server_config.model_dump_json(indent=2)
+        assert config_file.read_text(encoding="utf-8") == mock_template_server_config.model_dump_json(indent=2) + "\n"
 
 
 # Prometheus Metric Models