diff --git a/buildSrc/src/main/groovy/io/spring/gradle/convention/TestsConfigurationPlugin.groovy b/buildSrc/src/main/groovy/io/spring/gradle/convention/TestsConfigurationPlugin.groovy
index 99aac80a..8d2fffd4 100644
--- a/buildSrc/src/main/groovy/io/spring/gradle/convention/TestsConfigurationPlugin.groovy
+++ b/buildSrc/src/main/groovy/io/spring/gradle/convention/TestsConfigurationPlugin.groovy
@@ -43,7 +43,7 @@ public class TestsConfigurationPlugin implements Plugin<Project> {
 		}
 
 		project.tasks.create('testJar', Jar) {
-			classifier = 'test'
+			archiveClassifier = 'test'
 			from project.sourceSets.test.output
 		}
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 98debb84..1e2fbf0d 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/samples/boot/build.gradle b/samples/boot/build.gradle
index aa528809..633c8067 100644
--- a/samples/boot/build.gradle
+++ b/samples/boot/build.gradle
@@ -1,7 +1,7 @@
 plugins {
 	id 'org.springframework.boot' version '3.2.10'
 	id 'io.spring.dependency-management'
-	id 'java'
+	id 'java-library'
 }
 
 repositories {