diff --git a/pom.xml b/pom.xml
index 5ac3dafa..edd3f518 100644
--- a/pom.xml
+++ b/pom.xml
@@ -272,7 +272,7 @@
 							<dependency>
 								<groupId>org.asciidoctor</groupId>
 								<artifactId>asciidoctorj-diagram</artifactId>
-								<version>2.2.4</version>
+								<version>2.3.0</version>
 							</dependency>
 							<dependency>
 								<groupId>io.spring.asciidoctor.backends</groupId>