diff --git a/chapter4/quarkus-funqy-gcp-cloud-events/pom.xml b/chapter4/quarkus-funqy-gcp-cloud-events/pom.xml
index 9ee63d0..8961e4d 100644
--- a/chapter4/quarkus-funqy-gcp-cloud-events/pom.xml
+++ b/chapter4/quarkus-funqy-gcp-cloud-events/pom.xml
@@ -35,7 +35,7 @@
     <dependency>
       <groupId>io.cloudevents</groupId>
       <artifactId>cloudevents-json-jackson</artifactId>
-      <version>4.1.1</version>
+      <version>5.0.0</version>
     </dependency>
     <dependency>
       <groupId>io.quarkus</groupId>