Upgrade asciidoctorj-pdf to 2.0.6
MODIFY
build.gradle
build.gradle
@@ -59,7 +59,7 @@ ext {
// jar versions
arquillianVersion = '1.6.0.Final'
arquillianSpockVersion = '1.0.0.CR1'
- asciidoctorjPdfVersion = '1.6.2'
+ asciidoctorjPdfVersion = '2.0.6'
asciidoctorjEpub3Version = '1.5.1'
asciidoctorjDiagramVersion = '2.2.3'
asciidoctorjDiagramDitaaMiniVersion = '1.0.3'

MODIFY
gradle.properties
gradle.properties
-version=2.5.4
+version=3.0.0-SNAPSHOT
org.gradle.jvmargs=-XX:MaxMetaspaceSize=512m

Upgrade asciidoctorj-pdf to 2.0.6