diff --git a/sentry_sdk/tracing.py b/sentry_sdk/tracing.py
index ea45700a42..82c7ede10a 100644
--- a/sentry_sdk/tracing.py
+++ b/sentry_sdk/tracing.py
@@ -1,5 +1,6 @@
 import uuid
 import random
+import warnings
 from datetime import datetime, timedelta, timezone
 
 from opentelemetry import trace as otel_trace, context