diff --git a/build.gradle b/build.gradle
index ef73155b7..ac68bc438 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ buildscript {
 		cfJavaClientVersion = "5.10.0.RELEASE"
 		commonsTextVersion = "1.12.0"
 		immutablesVersion = "2.10.1"
-		openServiceBrokerVersion = "4.2.0"
+		openServiceBrokerVersion = "4.3.0-M1"
 		wiremockVersion = "3.8.0"
 	}
 }
diff --git a/settings.gradle b/settings.gradle
index 9b1a93bc7..660e2c7b0 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -8,7 +8,7 @@ pluginManagement {
 	}
 	plugins {
 		id "io.spring.nohttp" version "0.0.11"
-		id 'org.springframework.boot' version "3.2.7"
+		id 'org.springframework.boot' version "3.3.1"
 		id 'org.asciidoctor.jvm.pdf'
 		id 'org.asciidoctor.jvm.convert'
 	}
diff --git a/spring-cloud-app-broker-core/src/test/java/org/springframework/cloud/appbroker/state/InMemoryServiceInstanceStateRepositoryTest.java b/spring-cloud-app-broker-core/src/test/java/org/springframework/cloud/appbroker/state/InMemoryServiceInstanceStateRepositoryTest.java
index b2caf55e7..ebbddff77 100644
--- a/spring-cloud-app-broker-core/src/test/java/org/springframework/cloud/appbroker/state/InMemoryServiceInstanceStateRepositoryTest.java
+++ b/spring-cloud-app-broker-core/src/test/java/org/springframework/cloud/appbroker/state/InMemoryServiceInstanceStateRepositoryTest.java
@@ -44,7 +44,7 @@ void saveAndGet() {
 				assertThat(serviceInstanceState.getOperationState()).isEqualTo(OperationState.IN_PROGRESS);
 				assertThat(serviceInstanceState.getDescription()).isEqualTo("bar");
 				assertThat(serviceInstanceState.getLastUpdated())
-					.isEqualToIgnoringSeconds(new Date());
+					.isCloseTo(new Date(), 1000L);
 			})
 			.verifyComplete();
 
@@ -53,7 +53,7 @@ void saveAndGet() {
 				assertThat(serviceInstanceState.getOperationState()).isEqualTo(OperationState.IN_PROGRESS);
 				assertThat(serviceInstanceState.getDescription()).isEqualTo("bar");
 				assertThat(serviceInstanceState.getLastUpdated())
-					.isEqualToIgnoringSeconds(new Date());
+					.isCloseTo(new Date(), 1000L);
 			})
 			.verifyComplete();
 	}
@@ -73,7 +73,7 @@ void saveAndRemove() {
 				assertThat(serviceInstanceState.getOperationState()).isEqualTo(OperationState.IN_PROGRESS);
 				assertThat(serviceInstanceState.getDescription()).isEqualTo("bar");
 				assertThat(serviceInstanceState.getLastUpdated())
-					.isEqualToIgnoringSeconds(new Date());
+					.isCloseTo(new Date(), 1000L);
 			})
 			.verifyComplete();
 
@@ -90,7 +90,7 @@ void updateState() {
 				assertThat(serviceInstanceState.getOperationState()).isEqualTo(OperationState.IN_PROGRESS);
 				assertThat(serviceInstanceState.getDescription()).isEqualTo("bar");
 				assertThat(serviceInstanceState.getLastUpdated())
-					.isEqualToIgnoringSeconds(new Date());
+					.isCloseTo(new Date(), 1000L);
 			})
 			.verifyComplete();
 
@@ -99,7 +99,7 @@ void updateState() {
 				assertThat(serviceInstanceState.getOperationState()).isEqualTo(OperationState.IN_PROGRESS);
 				assertThat(serviceInstanceState.getDescription()).isEqualTo("bar");
 				assertThat(serviceInstanceState.getLastUpdated())
-					.isEqualToIgnoringSeconds(new Date());
+					.isCloseTo(new Date(), 1000L);
 			})
 			.verifyComplete();
 
@@ -109,7 +109,7 @@ void updateState() {
 				assertThat(serviceInstanceState.getOperationState()).isEqualTo(OperationState.SUCCEEDED);
 				assertThat(serviceInstanceState.getDescription()).isEqualTo("bar");
 				assertThat(serviceInstanceState.getLastUpdated())
-					.isEqualToIgnoringSeconds(new Date());
+					.isCloseTo(new Date(), 1000L);
 			})
 			.verifyComplete();
 
@@ -118,7 +118,7 @@ void updateState() {
 				assertThat(serviceInstanceState.getOperationState()).isEqualTo(OperationState.SUCCEEDED);
 				assertThat(serviceInstanceState.getDescription()).isEqualTo("bar");
 				assertThat(serviceInstanceState.getLastUpdated())
-					.isEqualToIgnoringSeconds(new Date());
+					.isCloseTo(new Date(), 1000L);
 			})
 			.verifyComplete();
 	}
diff --git a/src/pmd/pmdRuleSet.xml b/src/pmd/pmdRuleSet.xml
index be9598d53..91e782551 100644
--- a/src/pmd/pmdRuleSet.xml
+++ b/src/pmd/pmdRuleSet.xml
@@ -57,7 +57,6 @@
 <!--	</rule>-->
 	<rule ref="category/java/errorprone.xml">
 		<exclude name="AvoidFieldNameMatchingMethodName" />
-		<exclude name="BeanMembersShouldSerialize" />
 		<exclude name="DataflowAnomalyAnalysis" />
 		<exclude name="InvalidLogMessageFormat" />
 		<exclude name="ReturnEmptyCollectionRatherThanNull" />