diff --git a/parent/pom.xml b/parent/pom.xml
index 6d57ebee..adbc43dc 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -332,12 +332,12 @@
 								<dependency>
 									<groupId>org.asciidoctor</groupId>
 									<artifactId>asciidoctorj-pdf</artifactId>
-									<version>1.5.0-alpha.14</version>
+									<version>1.5.0-alpha.16</version>
 								</dependency>
 								<dependency>
 									<groupId>org.asciidoctor</groupId>
 									<artifactId>asciidoctorj-epub3</artifactId>
-									<version>1.5.0-alpha.6</version>
+									<version>1.5.0-alpha.7</version>
 								</dependency>
 							</dependencies>
 							<executions>
@@ -725,7 +725,7 @@
 				<plugin>
 					<groupId>org.asciidoctor</groupId>
 					<artifactId>asciidoctor-maven-plugin</artifactId>
-					<version>1.5.3</version>
+					<version>1.5.6</version>
 				</plugin>
 
 				<plugin>