diff --git a/boot-rest-docs-sample/pom.xml b/boot-rest-docs-sample/pom.xml
index 271083f15..9ba6555ca 100644
--- a/boot-rest-docs-sample/pom.xml
+++ b/boot-rest-docs-sample/pom.xml
@@ -196,7 +196,7 @@
                     <dependency>
                         <groupId>org.asciidoctor</groupId>
                         <artifactId>asciidoctorj-pdf</artifactId>
-                        <version>2.3.17</version>
+                        <version>2.3.18</version>
                     </dependency>
                 </dependencies>
             </plugin>