diff --git a/function/fastapi_app.py b/function/fastapi_app.py
index 3b8d2cf..c9126f9 100644
--- a/function/fastapi_app.py
+++ b/function/fastapi_app.py
@@ -2,6 +2,7 @@
 
 import fastapi
 from azure.monitor.opentelemetry.exporter import AzureMonitorTraceExporter
+from opentelemetry import trace
 from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
 from opentelemetry.sdk.resources import SERVICE_NAME, Resource
 from opentelemetry.sdk.trace import TracerProvider
@@ -16,7 +17,10 @@ def create_app():
         exporter = AzureMonitorTraceExporter.from_connection_string(conn_str)
         tracer = TracerProvider(resource=Resource({SERVICE_NAME: "api"}))
         tracer.add_span_processor(BatchSpanProcessor(exporter))
-        FastAPIInstrumentor.instrument_app(app, tracer_provider=tracer)
+        trace.set_tracer_provider(tracer)
+
+        # Use the newer instrumentation pattern
+        FastAPIInstrumentor().instrument()
 
     app.include_router(fastapi_routes.router)
 
diff --git a/requirements.txt b/requirements.txt
index ca1aab5..ae8bc24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ py-staticmaps==0.4.0
 fastapi==0.111.0
 Pillow==9.5.0
 nest-asyncio==1.6.0
-opentelemetry-instrumentation-fastapi==0.46b0
+opentelemetry-instrumentation-fastapi==0.48b0
 azure-monitor-opentelemetry-exporter==1.0.0b26