diff --git a/pom.xml b/pom.xml
index e1837c9..cdc20cb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -328,6 +328,11 @@
                 <version>${asciidoctor-maven-plugin-version}</version>
                 <dependencies>
                     <dependency>
+                        <groupId>org.jruby</groupId>
+                        <artifactId>jruby-complete</artifactId>
+                        <version>${jruby-complete-version}</version>
+                    </dependency>
+                    <dependency>
                         <groupId>org.asciidoctor</groupId>
                         <artifactId>asciidoctorj-pdf</artifactId>
                         <version>${asciidoctorj-pdf-version}</version>
@@ -343,7 +348,7 @@
                         <version>${asciidoctorj-diagram-versions}</version>
                     </dependency>
                 </dependencies>
-                <configuration>
+               <configuration>
                     <sourceDirectory>src/main/asciidoc</sourceDirectory>
                     <requires>
                         <require>asciidoctor-diagram</require>
@@ -354,8 +359,7 @@
                     </attributes>
                 </configuration>
                 <executions>
-
-                    <execution>
+                   <execution>
                         <id>output-html</id>
                         <phase>generate-resources</phase>
                         <goals>
@@ -370,10 +374,9 @@
                             <sourceHighlighter>coderay</sourceHighlighter>
                             <backend>html</backend>
                             <doctype>book</doctype>
-                            <imagesDir>./images</imagesDir>
                         </configuration>
                     </execution>
-                    <!--execution>
+                    <execution>
                         <id>output-pdf</id>
                         <phase>generate-resources</phase>
                         <goals>
@@ -388,7 +391,6 @@
                             <sourceHighlighter>coderay</sourceHighlighter>
                             <backend>pdf</backend>
                             <doctype>book</doctype>
-                            <imagesDir>./images</imagesDir>
                             <attributes>
                                 <icons>font</icons>
                                 <pagenums />
@@ -397,7 +399,7 @@
                                 <idseparator>-</idseparator>
                             </attributes>
                         </configuration>
-                    </execution-->
+                    </execution>
                 </executions>
             </plugin>
             <plugin>