diff --git a/initializr-docs/pom.xml b/initializr-docs/pom.xml
index 72b5f496..56acfb9a 100644
--- a/initializr-docs/pom.xml
+++ b/initializr-docs/pom.xml
@@ -209,11 +209,11 @@
 								</goals>
 								<configuration>
 									<backend>html5</backend>
-									<sourceHighlighter>highlight.js</sourceHighlighter>
 									<doctype>book</doctype>
 									<attributes>
 										<highlightjsdir>js/highlight</highlightjsdir>
-										<highlightjs-theme>atom-one-dark-reasonable</highlightjs-theme>
+										<highlightjs-theme>github</highlightjs-theme>
+										<source-highlighter>highlight.js</source-highlighter>
 										<linkcss>true</linkcss>
 										<imagesdir>./images</imagesdir>
 										<icons>font</icons>
diff --git a/initializr-parent/pom.xml b/initializr-parent/pom.xml
index d351f56b..21f93f73 100644
--- a/initializr-parent/pom.xml
+++ b/initializr-parent/pom.xml
@@ -144,7 +144,7 @@
 				<plugin>
 					<groupId>org.asciidoctor</groupId>
 					<artifactId>asciidoctor-maven-plugin</artifactId>
-					<version>1.6.0</version>
+					<version>2.1.0</version>
 				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>