diff --git a/jar/plugin.jelly b/jar/plugin.jelly
index eec3b189..67ce3941 100644
--- a/jar/plugin.jelly
+++ b/jar/plugin.jelly
@@ -126,7 +126,6 @@
             <j:if test="${dep.type == 'jar' || empty(dep.type)}">
               <ant:attribute name="${dep.artifactId}-Extension-Name" value="${dep.artifactId}"/>
               <ant:attribute name="${dep.artifactId}-Implementation-Version" value="${dep.version}"/>
-              
               <j:choose>
                 <j:when test="${empty(dep.url) || dep.url.toString().trim().length() == 0}">
                   <ant:attribute name="${dep.artifactId}-Implementation-URL" value="http://www.ibiblio.org/maven${artifact.urlPath}"/>
@@ -135,6 +134,10 @@
                   <ant:attribute name="${dep.artifactId}-Implementation-URL" value="${dep.url}"/>
                 </j:otherwise>
               </j:choose>
+              <j:set var="depVendorId" value="${dep.properties.vendorId}"/>
+              <j:if test="${!empty(depVendorId) and depVendorId.toString().trim().length() != 0}">
+                <ant:attribute name="${dep.artifactId}-Implementation-Vendor-Id" value="${depVendorId}"/>
+              </j:if>
             </j:if>
           </j:forEach>        
         </j:if>
diff --git a/jar/xdocs/changes.xml b/jar/xdocs/changes.xml
index fbf250e4..c8e43fd1 100644
--- a/jar/xdocs/changes.xml
+++ b/jar/xdocs/changes.xml
@@ -25,6 +25,7 @@
   </properties>
   <body>
     <release version="1.8-SNAPSHOT" date="In SVN">
+      <action dev="ltheussl" type="add" issue="MPJAR-15" due-to="Matt Finn">Include <code>Implementation-Vendor-Id</code> attribute for dependencies in manifest.</action>
       <action dev="ltheussl" type="add" issue="MPJAR-39">Support specificationVersion in manifest.</action>
       <action dev="ltheussl" type="fix">
         <description>Jar plugin generates incorrect manifest file.</description>
diff --git a/jar/xdocs/properties.xml b/jar/xdocs/properties.xml
index 2b242163..9f183d15 100644
--- a/jar/xdocs/properties.xml
+++ b/jar/xdocs/properties.xml
@@ -90,6 +90,9 @@
           <td>
             Tells Maven to add extension information to the jar manifest.
             This can cause some applications to break, so it has been disabled by default.
+            An <code>Implementation-Vendor-Id</code> attribute will be added
+            for each dependency that has a <code>&lt;vendorId&gt;</code> element
+            set in its <code>&lt;properties&gt;</code> section.
             Set to <code>true</code> to enable extension information.
           </td>
         </tr>
