diff --git a/asciidoc-multiple-inputs-example/pom.xml b/asciidoc-multiple-inputs-example/pom.xml
index cb4b443..c4f25aa 100644
--- a/asciidoc-multiple-inputs-example/pom.xml
+++ b/asciidoc-multiple-inputs-example/pom.xml
@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.pdf.version>2.3.19</asciidoctorj.pdf.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <jruby.version>9.4.9.0</jruby.version>
diff --git a/asciidoc-to-html-example/pom.xml b/asciidoc-to-html-example/pom.xml
index 815d644..3bb7168 100644
--- a/asciidoc-to-html-example/pom.xml
+++ b/asciidoc-to-html-example/pom.xml
@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <jruby.version>9.4.9.0</jruby.version>
     </properties>
diff --git a/asciidoc-to-html-multipage-example/pom.xml b/asciidoc-to-html-multipage-example/pom.xml
index 1622860..688ff9a 100644
--- a/asciidoc-to-html-multipage-example/pom.xml
+++ b/asciidoc-to-html-multipage-example/pom.xml
@@ -14,7 +14,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <asciidoctor-multipage.version>0.0.19</asciidoctor-multipage.version>
         <jruby.version>9.4.9.0</jruby.version>
diff --git a/asciidoc-to-revealjs-example/pom.xml b/asciidoc-to-revealjs-example/pom.xml
index 6815538..a3c85f9 100644
--- a/asciidoc-to-revealjs-example/pom.xml
+++ b/asciidoc-to-revealjs-example/pom.xml
@@ -13,7 +13,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <jruby.version>9.4.9.0</jruby.version>
         <revealjs.version>3.9.2</revealjs.version>
diff --git a/asciidoctor-diagram-example/pom.xml b/asciidoctor-diagram-example/pom.xml
index 1ab00f6..a650f13 100644
--- a/asciidoctor-diagram-example/pom.xml
+++ b/asciidoctor-diagram-example/pom.xml
@@ -10,7 +10,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <asciidoctorj.diagram.version>2.3.1</asciidoctorj.diagram.version>
         <jruby.version>9.4.9.0</jruby.version>
diff --git a/asciidoctor-epub-example/pom.xml b/asciidoctor-epub-example/pom.xml
index 6825718..a8d5f86 100644
--- a/asciidoctor-epub-example/pom.xml
+++ b/asciidoctor-epub-example/pom.xml
@@ -14,7 +14,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.epub.version>2.1.3</asciidoctorj.epub.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <!-- for a correct kf8 generation, you'll need at least jRuby >= 9.1.8.0 -->
diff --git a/asciidoctor-pdf-cjk-example/pom.xml b/asciidoctor-pdf-cjk-example/pom.xml
index 5776d91..39ca42d 100644
--- a/asciidoctor-pdf-cjk-example/pom.xml
+++ b/asciidoctor-pdf-cjk-example/pom.xml
@@ -15,7 +15,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <asciidoctorj.pdf.version>2.3.19</asciidoctorj.pdf.version>
         <jruby.version>9.4.9.0</jruby.version>
diff --git a/asciidoctor-pdf-example/pom.xml b/asciidoctor-pdf-example/pom.xml
index 712f409..ec71de7 100644
--- a/asciidoctor-pdf-example/pom.xml
+++ b/asciidoctor-pdf-example/pom.xml
@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.pdf.version>2.3.19</asciidoctorj.pdf.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <jruby.version>9.4.9.0</jruby.version>
diff --git a/asciidoctor-pdf-with-theme-example/pom.xml b/asciidoctor-pdf-with-theme-example/pom.xml
index d2ad2e8..3417bdd 100644
--- a/asciidoctor-pdf-with-theme-example/pom.xml
+++ b/asciidoctor-pdf-with-theme-example/pom.xml
@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.pdf.version>2.3.19</asciidoctorj.pdf.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <jruby.version>9.4.9.0</jruby.version>
diff --git a/docbook-pipeline-docbkx-example/pom.xml b/docbook-pipeline-docbkx-example/pom.xml
index bad2a01..57e3bfd 100644
--- a/docbook-pipeline-docbkx-example/pom.xml
+++ b/docbook-pipeline-docbkx-example/pom.xml
@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <jruby.version>9.4.9.0</jruby.version>
     </properties>
diff --git a/java-extension-example/asciidoctor-with-extension-example/pom.xml b/java-extension-example/asciidoctor-with-extension-example/pom.xml
index 33b3525..95a8ac9 100644
--- a/java-extension-example/asciidoctor-with-extension-example/pom.xml
+++ b/java-extension-example/asciidoctor-with-extension-example/pom.xml
@@ -10,7 +10,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <asciidoctor.maven.plugin.version>3.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>3.0.0</asciidoctorj.version>
         <jruby.version>9.4.9.0</jruby.version>
     </properties>