diff --git a/fj-doc-guide/pom.xml b/fj-doc-guide/pom.xml
index dd026bea..6300246a 100644
--- a/fj-doc-guide/pom.xml
+++ b/fj-doc-guide/pom.xml
@@ -26,7 +26,7 @@
 		<asciidoctor.maven.plugin.version>3.2.0</asciidoctor.maven.plugin.version>
 		<asciidoctorj.pdf.version>2.3.23</asciidoctorj.pdf.version>
 		<asciidoctorj.version>3.0.1</asciidoctorj.version>
-		<asciidoctorj.diagram.version>3.0.1</asciidoctorj.diagram.version>
+		<asciidoctorj.diagram.version>3.1.0</asciidoctorj.diagram.version>
 		<asciidoctorj.diagram-plantuml.version>1.2025.3</asciidoctorj.diagram-plantuml.version>
 		<asciidoctorj.diagram-ditaamini.version>1.0.3</asciidoctorj.diagram-ditaamini.version>
 		<jruby.version>9.4.12.1</jruby.version>
diff --git a/fj-doc-playground-quarkus/pom.xml b/fj-doc-playground-quarkus/pom.xml
index 98ba632e..1ba4a31e 100644
--- a/fj-doc-playground-quarkus/pom.xml
+++ b/fj-doc-playground-quarkus/pom.xml
@@ -324,7 +324,7 @@
 				<asciidoctor.maven.plugin.version>3.2.0</asciidoctor.maven.plugin.version>
 				<asciidoctorj.pdf.version>2.3.23</asciidoctorj.pdf.version>
 				<asciidoctorj.version>3.0.1</asciidoctorj.version>
-				<asciidoctorj.diagram.version>3.0.1</asciidoctorj.diagram.version>
+				<asciidoctorj.diagram.version>3.1.0</asciidoctorj.diagram.version>
 				<asciidoctorj.diagram-plantuml.version>1.2025.3</asciidoctorj.diagram-plantuml.version>
 				<asciidoctorj.diagram-ditaamini.version>1.0.3</asciidoctorj.diagram-ditaamini.version>
 				<jruby.version>9.4.12.0</jruby.version>