diff --git a/workers/arax_pathfinder/requirements.txt b/workers/arax_pathfinder/requirements.txt
index 2b04a83..72eb8e1 100644
--- a/workers/arax_pathfinder/requirements.txt
+++ b/workers/arax_pathfinder/requirements.txt
@@ -1,4 +1,4 @@
-catrax-pathfinder==2.5.0
+catrax-pathfinder==3.0.0
 biolink-helper-pkg==1.0.1
 httpx==0.28.1
 # Needed for pathfinder.telemetry.child_bootstrap()'s RequestsInstrumentor;
diff --git a/workers/arax_pathfinder/worker.py b/workers/arax_pathfinder/worker.py
index 8354be3..ff16307 100644
--- a/workers/arax_pathfinder/worker.py
+++ b/workers/arax_pathfinder/worker.py
@@ -121,6 +121,7 @@ def rehydrate(kg, rehydrate_url, logger):
     payload = {
         "message": {"knowledge_graph": kg},
         "parameters": {"rehydrate": True, "tier": 0},
+        "submitter": f"arax-pathfinder@{settings.server_maturity}",
     }
 
     try:
@@ -207,6 +208,7 @@ def execute_pathfinding(
         blocked_curies,
         blocked_synonyms,
         logger,
+        settings.server_maturity,
     )
 
     descendants = get_descendants(intermediate_categories[0])