diff --git a/og-assembly/pom.xml b/og-assembly/pom.xml
index 3c850426..d09f165a 100644
--- a/og-assembly/pom.xml
+++ b/og-assembly/pom.xml
@@ -101,6 +101,7 @@
           <backend>html</backend>
           <attributes>
             <display-version>${display.version}</display-version>
+            <build-date>${maven.build.timestamp}</build-date>
           </attributes>
         </configuration>
       </plugin>
diff --git a/og-assembly/src/main/asciidoc/userguide.adoc b/og-assembly/src/main/asciidoc/userguide.adoc
index 8a70cbbd..254501f2 100644
--- a/og-assembly/src/main/asciidoc/userguide.adoc
+++ b/og-assembly/src/main/asciidoc/userguide.adoc
@@ -1,5 +1,5 @@
 = Object Generator
-v{display-version}, January 22nd, 2016
+v{display-version}, {build-date}
 :toc: right
 :sectlinks:
 :sectanchors: