diff --git a/specification/pom.xml b/specification/pom.xml
index 1005db85..a07f9a1d 100644
--- a/specification/pom.xml
+++ b/specification/pom.xml
@@ -48,7 +48,7 @@
     <properties>
         <site.output.dir>${project.build.directory}/staging</site.output.dir>
         <maven.site.skip>true</maven.site.skip>
-        <asciidoctor.maven.plugin.version>2.2.5</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>2.2.6</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>2.5.11</asciidoctorj.version>
         <asciidoctorj.pdf.version>2.3.12</asciidoctorj.pdf.version>
         <jruby.version>9.4.5.0</jruby.version> 
diff --git a/tck-dist/pom.xml b/tck-dist/pom.xml
index 16b9a6c2..8da80981 100644
--- a/tck-dist/pom.xml
+++ b/tck-dist/pom.xml
@@ -47,7 +47,7 @@
         <jakarta.concurrent.tck.version>${project.version}</jakarta.concurrent.tck.version>
 
         <maven.site.skip>true</maven.site.skip>
-        <asciidoctor-maven.version>2.2.5</asciidoctor-maven.version>
+        <asciidoctor-maven.version>2.2.6</asciidoctor-maven.version>
         <asciidoctorj-pdf.version>2.3.12</asciidoctorj-pdf.version>
         <maven-assembly-plugin.version>3.6.0</maven-assembly-plugin.version>
     </properties>