diff --git a/settings.gradle b/settings.gradle
index b90a861d..9fc0ebf5 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -18,8 +18,8 @@ pluginManagement {
 	plugins {
 		id "org.springframework.boot" version "2.7.18"
 		id "io.spring.nohttp" version "0.0.11"
-		id 'org.asciidoctor.jvm.pdf' version '3.3.2'
-		id 'org.asciidoctor.jvm.convert' version '3.3.2'
+		id 'org.asciidoctor.jvm.pdf' version '4.0.0'
+		id 'org.asciidoctor.jvm.convert' version '4.0.0'
 	}
 	repositories {
 		gradlePluginPortal()
diff --git a/spring-cloud-open-service-broker-docs/build.gradle b/spring-cloud-open-service-broker-docs/build.gradle
index 6c79d832..9e3712ca 100644
--- a/spring-cloud-open-service-broker-docs/build.gradle
+++ b/spring-cloud-open-service-broker-docs/build.gradle
@@ -16,7 +16,7 @@
 
 plugins {
 	id 'org.asciidoctor.jvm.pdf'
-  id 'org.asciidoctor.jvm.convert' version '3.3.2'
+	id 'org.asciidoctor.jvm.convert'
 }
 
 description = "Spring Cloud Open Service Broker Documentation"
@@ -34,7 +34,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-security'
 	implementation 'org.springframework.boot:spring-boot-starter-tomcat'
 	implementation 'io.projectreactor:reactor-core'
-  asciidoctorExtensions "io.spring.asciidoctor.backends:spring-asciidoctor-backends:0.0.7"
+	asciidoctorExtensions "io.spring.asciidoctor.backends:spring-asciidoctor-backends:0.0.7"
 }
 
 javadoc {