diff --git a/specification/pom.xml b/specification/pom.xml
index 97abd2d1..2fa853a7 100644
--- a/specification/pom.xml
+++ b/specification/pom.xml
@@ -49,7 +49,7 @@
         <site.output.dir>${project.build.directory}/staging</site.output.dir>
         <maven.site.skip>true</maven.site.skip>
         <asciidoctor.maven.plugin.version>2.2.4</asciidoctor.maven.plugin.version>
-        <asciidoctorj.version>2.5.10</asciidoctorj.version>
+        <asciidoctorj.version>2.5.11</asciidoctorj.version>
         <asciidoctorj.pdf.version>2.3.10</asciidoctorj.pdf.version>
         <jruby.version>9.4.5.0</jruby.version> 
         <!-- status: DRAFT, BETA, etc., or blank for final -->