diff --git a/docs/build.gradle b/docs/build.gradle
index 5241018c..68179610 100644
--- a/docs/build.gradle
+++ b/docs/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.asciidoctor.convert' version '1.5.2'
+	id 'org.asciidoctor.convert' version '1.5.3'
 }
 
 dependencies {
diff --git a/samples/rest-notes-spring-data-rest/pom.xml b/samples/rest-notes-spring-data-rest/pom.xml
index 6e057717..95427ccb 100644
--- a/samples/rest-notes-spring-data-rest/pom.xml
+++ b/samples/rest-notes-spring-data-rest/pom.xml
@@ -73,7 +73,7 @@
 			<plugin>
 				<groupId>org.asciidoctor</groupId>
 				<artifactId>asciidoctor-maven-plugin</artifactId>
-				<version>1.5.2.1</version>
+				<version>1.5.3</version>
 				<executions>
 					<execution>
 						<id>generate-docs</id>