diff --git a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-and-jar-classifiers.gradle b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-and-jar-classifiers.gradle
index d46f78d7ee07..2939641c414a 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-and-jar-classifiers.gradle
+++ b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-and-jar-classifiers.gradle
@@ -5,11 +5,11 @@ plugins {
 
 // tag::classifiers[]
 bootJar {
-	classifier = 'boot'
+	archiveClassifier = 'boot'
 }
 
 jar {
-	classifier = ''
+	archiveClassifier = ''
 }
 // end::classifiers[]
 
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-and-jar-classifiers.gradle.kts b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-and-jar-classifiers.gradle.kts
index ae132a181cdb..cc571d2c6ab2 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-and-jar-classifiers.gradle.kts
+++ b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-and-jar-classifiers.gradle.kts
@@ -7,11 +7,11 @@ plugins {
 
 // tag::classifiers[]
 tasks.getByName<BootJar>("bootJar") {
-	classifier = "boot"
+	archiveClassifier.set("boot")
 }
 
 tasks.getByName<Jar>("jar") {
-	classifier = ""
+	archiveClassifier.set("")
 }
 // end::classifiers[]