diff --git a/demo-app/requirements.txt b/demo-app/requirements.txt
index 25cd3a4..f3812d0 100644
--- a/demo-app/requirements.txt
+++ b/demo-app/requirements.txt
@@ -1,6 +1,6 @@
 google-cloud-monitoring==0.31.1
 google-cloud-pubsub==0.42.1
-google-cloud-trace==0.21.0
+google-cloud-trace==0.24.1
 gunicorn==19.9.0
 opencensus==0.6.0
 Flask==1.1.1