diff --git a/openapi-config.yaml b/openapi-config.yaml
index 99e92a6..e3d3ada 100644
--- a/openapi-config.yaml
+++ b/openapi-config.yaml
@@ -11,7 +11,7 @@ servers:
 #  url: http://127.0.0.1:5000
 termsOfService: http://robokop.renci.org:7055/tos?service_long=ARAGORN&provider_long=RENCI
 title: ARAGORN
-version: 2.9.0
+version: 2.9.1
 tags:
 - name: translator
 - name: ARA
diff --git a/requirements.txt b/requirements.txt
index a57a474..42f2acc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,4 +21,4 @@ opentelemetry-instrumentation-fastapi==0.37b0
 opentelemetry-exporter-jaeger==1.16.0
 opentelemetry-instrumentation-httpx==0.37b0
 fakeredis<=2.10.2
-networkx==3.3
+networkx==3.2.1
diff --git a/src/service_aggregator.py b/src/service_aggregator.py
index 7947ec8..5cd57b2 100644
--- a/src/service_aggregator.py
+++ b/src/service_aggregator.py
@@ -163,7 +163,7 @@ async def entry(message, guid, coalesce_type, caller) -> (dict, int):
                 {"id": "lookup"},
                 {"id": "overlay_connect_knodes"},
                 {"id": "score"},
-                {"id": "filter_message_top_n", "parameters": {"max_results": 500}}
+                {"id": "filter_kgraph_orphans"}
             ]
         else:
             # TODO: if this is robokop, need to normalize.