diff --git a/platform/spring-boot-dependencies/build.gradle b/platform/spring-boot-dependencies/build.gradle
index 94c4c54d9ad..cc7b335552c 100644
--- a/platform/spring-boot-dependencies/build.gradle
+++ b/platform/spring-boot-dependencies/build.gradle
@@ -1898,7 +1898,7 @@ bom {
 			releaseNotes("https://github.com/prometheus/client_java/releases/tag/parent-{version}")
 		}
 	}
-	library("Pulsar", "4.1.3") {
+	library("Pulsar", "4.2.0") {
 		group("org.apache.pulsar") {
 			bom("pulsar-bom")
 		}
diff --git a/test-support/spring-boot-docker-test-support/src/main/java/org/springframework/boot/testsupport/container/TestImage.java b/test-support/spring-boot-docker-test-support/src/main/java/org/springframework/boot/testsupport/container/TestImage.java
index 02e3ec66100..6d7d83ed93f 100644
--- a/test-support/spring-boot-docker-test-support/src/main/java/org/springframework/boot/testsupport/container/TestImage.java
+++ b/test-support/spring-boot-docker-test-support/src/main/java/org/springframework/boot/testsupport/container/TestImage.java
@@ -238,9 +238,10 @@ public enum TestImage {
 	/**
 	 * A container image suitable for testing Pulsar.
 	 */
-	PULSAR("apachepulsar/pulsar", "3.3.3", () -> PulsarContainer.class,
+	PULSAR("apachepulsar/pulsar", "4.2.0", () -> PulsarContainer.class,
 			(container) -> ((PulsarContainer) container).withStartupAttempts(2)
-				.withStartupTimeout(Duration.ofMinutes(3))),
+				.withStartupTimeout(Duration.ofMinutes(3))
+				.withEnv("PULSAR_PREFIX_advertisedAddress", "localhost")),
 
 	/**
 	 * A container image suitable for testing Pulsar using the deprecated