diff --git a/spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/Dockerfile b/spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/Dockerfile
index 8bae52cec4..50cd35ed84 100644
--- a/spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/Dockerfile
+++ b/spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/Dockerfile
@@ -2,6 +2,6 @@ FROM adoptopenjdk/openjdk11:alpine
 
 COPY target/spring-cloud-open-telemetry1-1.0.0-SNAPSHOT.jar spring-cloud-open-telemetry.jar
 
-EXPOSE 8081
+EXPOSE 8080
 
 ENTRYPOINT ["java","-jar","/spring-cloud-open-telemetry.jar"]
\ No newline at end of file