diff --git a/.strict-typing b/.strict-typing
index b27475b69a1..b79b50fd9cb 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -138,6 +138,7 @@ homeassistant.components.dhcp.*
 homeassistant.components.diagnostics.*
 homeassistant.components.discovergy.*
 homeassistant.components.dlna_dmr.*
+homeassistant.components.dlna_dms.*
 homeassistant.components.dnsip.*
 homeassistant.components.doorbird.*
 homeassistant.components.dormakaba_dkey.*
diff --git a/homeassistant/components/dlna_dms/dms.py b/homeassistant/components/dlna_dms/dms.py
index 62ff2be7d5b..54cca744360 100644
--- a/homeassistant/components/dlna_dms/dms.py
+++ b/homeassistant/components/dlna_dms/dms.py
@@ -332,7 +332,7 @@ class DmsDeviceSource:
     @property
     def usn(self) -> str:
         """Get the USN (Unique Service Name) for the wrapped UPnP device end-point."""
-        return self.config_entry.data[CONF_DEVICE_ID]
+        return self.config_entry.data[CONF_DEVICE_ID]  # type: ignore[no-any-return]
 
     @property
     def udn(self) -> str:
@@ -347,7 +347,7 @@ class DmsDeviceSource:
     @property
     def source_id(self) -> str:
         """Return a unique ID (slug) for this source for people to use in URLs."""
-        return self.config_entry.data[CONF_SOURCE_ID]
+        return self.config_entry.data[CONF_SOURCE_ID]  # type: ignore[no-any-return]
 
     @property
     def icon(self) -> str | None:
diff --git a/homeassistant/components/dlna_dms/media_source.py b/homeassistant/components/dlna_dms/media_source.py
index c1245997c7a..399398fa5b9 100644
--- a/homeassistant/components/dlna_dms/media_source.py
+++ b/homeassistant/components/dlna_dms/media_source.py
@@ -25,7 +25,7 @@ from .const import DOMAIN, LOGGER, PATH_OBJECT_ID_FLAG, ROOT_OBJECT_ID, SOURCE_S
 from .dms import DidlPlayMedia, get_domain_data
 
 
-async def async_get_media_source(hass: HomeAssistant):
+async def async_get_media_source(hass: HomeAssistant) -> DmsMediaSource:
     """Set up DLNA DMS media source."""
     LOGGER.debug("Setting up DLNA media sources")
     return DmsMediaSource(hass)
diff --git a/mypy.ini b/mypy.ini
index e3bcca10837..62ad39da8e2 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1141,6 +1141,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.dlna_dms.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.dnsip.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true