diff --git a/spec/pom.xml b/spec/pom.xml
index 170faa6b..cad8957d 100644
--- a/spec/pom.xml
+++ b/spec/pom.xml
@@ -15,7 +15,7 @@
 
 	<properties>
 		<asciidoctor-maven.version>2.2.5</asciidoctor-maven.version>
-		<asciidoctorj.version>2.5.10</asciidoctorj.version>
+		<asciidoctorj.version>2.5.11</asciidoctorj.version>
 		<asciidoctorj-pdf.version>2.3.9</asciidoctorj-pdf.version>
 		<!-- asl2 for non-final releases, or final for EFSL -->
 		<license-file>asl2</license-file>