diff --git a/pom.xml b/pom.xml
index a840b699be..6ed6b88b33 100644
--- a/pom.xml
+++ b/pom.xml
@@ -84,7 +84,7 @@
     <maven-javadoc-plugin.version>3.4.1</maven-javadoc-plugin.version>
     <maven.jar.plugin.version>3.3.0</maven.jar.plugin.version>
     <asciidoctor.maven.plugin.version>2.2.2</asciidoctor.maven.plugin.version>
-    <asciidoctorj.version>2.5.5</asciidoctorj.version>
+    <asciidoctorj.version>2.5.6</asciidoctorj.version>
     <asciidoctorj.pdf.version>2.3.0</asciidoctorj.pdf.version>
     <asciidoctorj.diagram.version>2.2.3</asciidoctorj.diagram.version>
     <buildnumber.plugin.version>1.4</buildnumber.plugin.version>