diff --git a/src/bedrock_llm/client/base.py b/src/bedrock_llm/client/base.py
index 5014945..30de4d9 100644
--- a/src/bedrock_llm/client/base.py
+++ b/src/bedrock_llm/client/base.py
@@ -197,6 +197,7 @@ async def _invoke_model_async(
             accept="application/json",
             contentType="application/json",
             body=json.dumps(request_body),
+            performanceConfigLatency = "optimized"
         )
 
     async def close(self):