diff --git a/pom.xml b/pom.xml
index 003bf7fb..771ca0ac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,9 +32,9 @@
 		<spring-cloud-build.version>2.2.0.BUILD-SNAPSHOT</spring-cloud-build.version>
 		<docs.resources.dir>${project.build.directory}/build-docs</docs.resources.dir>
 		<spring-doc-resources.version>0.1.0.RELEASE</spring-doc-resources.version>
-		<spring-asciidoctor-extensions.version>0.1.0.RELEASE
+		<spring-asciidoctor-extensions.version>0.1.3.RELEASE
 		</spring-asciidoctor-extensions.version>
-		<asciidoctorj-pdf.version>1.5.0-alpha.16</asciidoctorj-pdf.version>
+		<asciidoctorj-pdf.version>1.5.0-alpha.18</asciidoctorj-pdf.version>
 		<guides-project.version>${project.version}</guides-project.version>
 		<guides-update.phase>deploy</guides-update.phase>
 
@@ -1071,12 +1071,12 @@
 								<dependency>
 									<groupId>org.jruby</groupId>
 									<artifactId>jruby-complete</artifactId>
-									<version>1.7.17</version>
+									<version>9.2.7.0</version>
 								</dependency>
 								<dependency>
 									<groupId>org.asciidoctor</groupId>
 									<artifactId>asciidoctorj</artifactId>
-									<version>1.5.8</version>
+									<version>1.6.2</version>
 								</dependency>
 							</dependencies>
 							<executions>