diff --git a/pydid/service.py b/pydid/service.py
index fc79054..d7d53e6 100644
--- a/pydid/service.py
+++ b/pydid/service.py
@@ -17,7 +17,7 @@ class Service(Resource):
     """Representation of DID Document Services."""
 
     id: DIDUrl
-    type: str
+    type: Union[str, List[str]]
     service_endpoint: Union[
         EndpointStrings,
         List[Union[EndpointStrings, Mapping[str, Any]]],
diff --git a/tests/test_service.py b/tests/test_service.py
index f04530b..0a4ce84 100644
--- a/tests/test_service.py
+++ b/tests/test_service.py
@@ -63,6 +63,11 @@
             "routingKeys": ["did:example:somemediator#somekey"],
         },
     },
+    {
+        "id": "did:web:example.com#linked-domain",
+        "type": ["LinkedDomains"],
+        "serviceEndpoint": "https://example.com",
+    },
 ]
 
 INVALID_SERVICES = [