diff --git a/spring-cloud-gcp-samples/spring-cloud-gcp-pubsub-bus-config-sample/pom.xml b/spring-cloud-gcp-samples/spring-cloud-gcp-pubsub-bus-config-sample/pom.xml
index 0b6488bf27..8e0075daca 100644
--- a/spring-cloud-gcp-samples/spring-cloud-gcp-pubsub-bus-config-sample/pom.xml
+++ b/spring-cloud-gcp-samples/spring-cloud-gcp-pubsub-bus-config-sample/pom.xml
@@ -15,7 +15,7 @@
     <name>Spring Framework on Google Cloud Code Sample - Pub/Sub Bus Configuration Management</name>
 
     <properties>
-        <spring-cloud-config.version>3.1.8</spring-cloud-config.version>
+        <spring-cloud-config.version>4.0.0</spring-cloud-config.version>
     </properties>
 
     <!-- The Spring Framework on Google Cloud BOM will manage spring-cloud-gcp version numbers for you. -->