diff --git a/pom.xml b/pom.xml
index a7c7ea6e..10eb9181 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.java.version>1.8</project.java.version>
         <project.execution.environment>JavaSE-1.8</project.execution.environment>
-        <asciidoctorj.version>2.5.12</asciidoctorj.version>
+        <asciidoctorj.version>2.5.13</asciidoctorj.version>
         <jruby.version>9.4.6.0</jruby.version>
         <maven.coveralls.plugin.version>4.3.0</maven.coveralls.plugin.version>
         <maven.jacoco.plugin.version>0.8.12</maven.jacoco.plugin.version>