diff --git a/DEVELOPERS b/DEVELOPERS
index 4a64d4a017..548185cbf8 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -2290,12 +2290,14 @@ F:	support/testing/tests/package/test_python_fastapi.py
 F:	support/testing/tests/package/test_python_pydantic.py
 F:	support/testing/tests/package/test_python_pydantic_settings.py
 F:	support/testing/tests/package/test_python_ruamel_yaml.py
+F:	support/testing/tests/package/test_python_sdbus_modemmanager.py
 F:	support/testing/tests/package/test_python_tzlocal.py
 F:	support/testing/tests/package/test_python_waitress.py
 F:	support/testing/tests/package/sample_python_fastapi.py
 F:	support/testing/tests/package/sample_python_pydantic.py
 F:	support/testing/tests/package/sample_python_pydantic_settings.py
 F:	support/testing/tests/package/sample_python_ruamel_yaml.py
+F:	support/testing/tests/package/sample_python_sdbus_modemmanager.py
 
 N:	Marek Belisko <marek.belisko@open-nandra.com>
 F:	package/libatasmart/
diff --git a/support/testing/tests/package/sample_python_sdbus_modemmanager.py b/support/testing/tests/package/sample_python_sdbus_modemmanager.py
new file mode 100644
index 0000000000..f238a4dab9
--- /dev/null
+++ b/support/testing/tests/package/sample_python_sdbus_modemmanager.py
@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+
+import sdbus
+
+from sdbus_block.modemmanager import MM
+
+sdbus.set_default_bus(sdbus.sd_bus_open_system())
+mm = MM()
+
+assert mm.version is not None
diff --git a/support/testing/tests/package/test_python_sdbus_modemmanager.py b/support/testing/tests/package/test_python_sdbus_modemmanager.py
new file mode 100644
index 0000000000..34ab66e3bf
--- /dev/null
+++ b/support/testing/tests/package/test_python_sdbus_modemmanager.py
@@ -0,0 +1,15 @@
+from tests.package.test_python import TestPythonPackageBase
+
+
+class TestPythonPy3SdbusNetworkmanager(TestPythonPackageBase):
+    __test__ = True
+    config = (
+        TestPythonPackageBase.config
+        + """
+        BR2_PACKAGE_PYTHON3=y
+        BR2_INIT_SYSTEMD=y
+        BR2_PACKAGE_MODEM_MANAGER=y
+        BR2_PACKAGE_PYTHON_SDBUS_MODEMMANAGER=y
+        """
+    )
+    sample_scripts = ["tests/package/sample_python_sdbus_modemmanager.py"]