diff --git a/core/spring-boot/src/main/java/org/springframework/boot/convert/LenientObjectToEnumConverterFactory.java b/core/spring-boot/src/main/java/org/springframework/boot/convert/LenientObjectToEnumConverterFactory.java
index 3ee2092506e..15abac18abe 100644
--- a/core/spring-boot/src/main/java/org/springframework/boot/convert/LenientObjectToEnumConverterFactory.java
+++ b/core/spring-boot/src/main/java/org/springframework/boot/convert/LenientObjectToEnumConverterFactory.java
@@ -61,7 +61,7 @@ abstract class LenientObjectToEnumConverterFactory<T> implements ConverterFactor
 	}
 
 	@SuppressWarnings("unchecked")
-	private class LenientToEnumConverter<E extends Enum> implements Converter<T, E> {
+	private class LenientToEnumConverter<E extends Enum> implements Converter<T, @Nullable E> {
 
 		private final Class<E> enumType;
 
diff --git a/core/spring-boot/src/test/java/org/springframework/boot/convert/ApplicationConversionServiceTests.java b/core/spring-boot/src/test/java/org/springframework/boot/convert/ApplicationConversionServiceTests.java
index 505b6e31bfa..c093e4abbf3 100644
--- a/core/spring-boot/src/test/java/org/springframework/boot/convert/ApplicationConversionServiceTests.java
+++ b/core/spring-boot/src/test/java/org/springframework/boot/convert/ApplicationConversionServiceTests.java
@@ -340,7 +340,7 @@ class ApplicationConversionServiceTests {
 
 	}
 
-	static class ExampleConverter implements Converter<String, Integer> {
+	static class ExampleConverter implements Converter<String, @Nullable Integer> {
 
 		@Override
 		public @Nullable Integer convert(String source) {
diff --git a/gradle.properties b/gradle.properties
index 2d872004a0e..fd4e4ea6e6e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -20,7 +20,7 @@ mavenVersion=3.9.10
 mockitoVersion=5.20.0
 nativeBuildToolsVersion=0.11.3
 snakeYamlVersion=2.5
-springFrameworkVersion=7.0.1
+springFrameworkVersion=7.0.2-SNAPSHOT
 springFramework60xVersion=6.0.23
 tomcatVersion=11.0.14
 nullabilityPluginVersion=0.0.8
diff --git a/module/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/convert/IsoOffsetDateTimeConverter.java b/module/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/convert/IsoOffsetDateTimeConverter.java
index 02c7cc166de..a552a49ead9 100644
--- a/module/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/convert/IsoOffsetDateTimeConverter.java
+++ b/module/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/convert/IsoOffsetDateTimeConverter.java
@@ -33,7 +33,7 @@ import org.springframework.util.StringUtils;
  * @author Stephane Nicoll
  * @since 2.0.0
  */
-public class IsoOffsetDateTimeConverter implements Converter<String, OffsetDateTime> {
+public class IsoOffsetDateTimeConverter implements Converter<String, @Nullable OffsetDateTime> {
 
 	@Override
 	public @Nullable OffsetDateTime convert(String source) {
diff --git a/module/spring-boot-data-cassandra/src/test/java/org/springframework/boot/data/cassandra/autoconfigure/DataCassandraAutoConfigurationTests.java b/module/spring-boot-data-cassandra/src/test/java/org/springframework/boot/data/cassandra/autoconfigure/DataCassandraAutoConfigurationTests.java
index d671f9d1524..f4a39cc4a4b 100644
--- a/module/spring-boot-data-cassandra/src/test/java/org/springframework/boot/data/cassandra/autoconfigure/DataCassandraAutoConfigurationTests.java
+++ b/module/spring-boot-data-cassandra/src/test/java/org/springframework/boot/data/cassandra/autoconfigure/DataCassandraAutoConfigurationTests.java
@@ -142,7 +142,7 @@ class DataCassandraAutoConfigurationTests {
 
 	}
 
-	static class MyConverter implements Converter<Person, String> {
+	static class MyConverter implements Converter<Person, @Nullable String> {
 
 		@Override
 		public @Nullable String convert(Person o) {
diff --git a/module/spring-boot-data-elasticsearch/src/test/java/org/springframework/boot/data/elasticsearch/autoconfigure/DataElasticsearchAutoConfigurationTests.java b/module/spring-boot-data-elasticsearch/src/test/java/org/springframework/boot/data/elasticsearch/autoconfigure/DataElasticsearchAutoConfigurationTests.java
index 2de280eeee7..29bad135eee 100644
--- a/module/spring-boot-data-elasticsearch/src/test/java/org/springframework/boot/data/elasticsearch/autoconfigure/DataElasticsearchAutoConfigurationTests.java
+++ b/module/spring-boot-data-elasticsearch/src/test/java/org/springframework/boot/data/elasticsearch/autoconfigure/DataElasticsearchAutoConfigurationTests.java
@@ -183,7 +183,7 @@ class DataElasticsearchAutoConfigurationTests {
 
 	}
 
-	static class MyConverter implements Converter<ElasticsearchTemplate, Boolean> {
+	static class MyConverter implements Converter<ElasticsearchTemplate, @Nullable Boolean> {
 
 		@Override
 		public @Nullable Boolean convert(ElasticsearchTemplate source) {
diff --git a/module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/DataMongoAutoConfigurationTests.java b/module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/DataMongoAutoConfigurationTests.java
index 88278b8fc26..736689b013e 100644
--- a/module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/DataMongoAutoConfigurationTests.java
+++ b/module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/DataMongoAutoConfigurationTests.java
@@ -398,7 +398,7 @@ class DataMongoAutoConfigurationTests {
 
 	}
 
-	static class MyConverter implements Converter<MongoClient, Boolean> {
+	static class MyConverter implements Converter<MongoClient, @Nullable Boolean> {
 
 		@Override
 		public @Nullable Boolean convert(MongoClient source) {
diff --git a/smoke-test/spring-boot-smoke-test-web-groovy-templates/src/main/java/smoketest/groovytemplates/SampleGroovyTemplateApplication.java b/smoke-test/spring-boot-smoke-test-web-groovy-templates/src/main/java/smoketest/groovytemplates/SampleGroovyTemplateApplication.java
index ca7a9aaef97..5bbf5d97f91 100644
--- a/smoke-test/spring-boot-smoke-test-web-groovy-templates/src/main/java/smoketest/groovytemplates/SampleGroovyTemplateApplication.java
+++ b/smoke-test/spring-boot-smoke-test-web-groovy-templates/src/main/java/smoketest/groovytemplates/SampleGroovyTemplateApplication.java
@@ -32,8 +32,8 @@ public class SampleGroovyTemplateApplication {
 	}
 
 	@Bean
-	public Converter<String, Message> messageConverter() {
-		return new Converter<>() {
+	public Converter<String, @Nullable Message> messageConverter() {
+		return new Converter<String, @Nullable Message>() {
 			@Override
 			public @Nullable Message convert(String id) {
 				return messageRepository().findMessage(Long.valueOf(id));
diff --git a/smoke-test/spring-boot-smoke-test-web-thymeleaf/src/main/java/smoketest/web/thymeleaf/SampleWebUiApplication.java b/smoke-test/spring-boot-smoke-test-web-thymeleaf/src/main/java/smoketest/web/thymeleaf/SampleWebUiApplication.java
index d26183ca997..547f4d7fc3a 100644
--- a/smoke-test/spring-boot-smoke-test-web-thymeleaf/src/main/java/smoketest/web/thymeleaf/SampleWebUiApplication.java
+++ b/smoke-test/spring-boot-smoke-test-web-thymeleaf/src/main/java/smoketest/web/thymeleaf/SampleWebUiApplication.java
@@ -32,13 +32,8 @@ public class SampleWebUiApplication {
 	}
 
 	@Bean
-	public Converter<String, Message> messageConverter() {
-		return new Converter<>() {
-			@Override
-			public @Nullable Message convert(String id) {
-				return messageRepository().findMessage(Long.valueOf(id));
-			}
-		};
+	public Converter<String, @Nullable Message> messageConverter() {
+		return (id) -> messageRepository().findMessage(Long.valueOf(id));
 	}
 
 	public static void main(String[] args) {