diff --git a/docker-compose.yml b/docker-compose.yml
index 4502cd2..6d732ec 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -40,6 +40,7 @@ services:
       - "4317:4317"
       - "4318:4318"
       - "8888:8888"
+      - "55679:55679"
 
   grafana:
     image: grafana/grafana:10.3.1
diff --git a/otel/otel-collector.yaml b/otel/otel-collector.yaml
index 0f48e07..13d05dc 100644
--- a/otel/otel-collector.yaml
+++ b/otel/otel-collector.yaml
@@ -17,7 +17,7 @@ exporters:
     endpoint: 0.0.0.0:8889
 
   otlp/tempo:
-    endpoint: tempo:4318
+    endpoint: tempo:4317
     tls:
       insecure: true