diff --git a/pom.xml b/pom.xml
index 47cd40fab1..0d9c882fd8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,7 +85,7 @@
     <asciidoctor.maven.plugin.version>2.2.2</asciidoctor.maven.plugin.version>
     <asciidoctorj.version>2.5.3</asciidoctorj.version>
     <asciidoctorj.pdf.version>2.0.4</asciidoctorj.pdf.version>
-    <asciidoctorj.diagram.version>2.2.1</asciidoctorj.diagram.version>
+    <asciidoctorj.diagram.version>2.2.3</asciidoctorj.diagram.version>
     <buildnumber.plugin.version>1.4</buildnumber.plugin.version>
     <jruby.version>9.3.4.0</jruby.version>
     <jmh.version>1.35</jmh.version>