updating update site ;)
diff --git a/visualization/releng/org.eclipse.pde.visualization-updatesite/site.xml b/visualization/releng/org.eclipse.pde.visualization-updatesite/site.xml
index 5105380..f5de6ae 100644
--- a/visualization/releng/org.eclipse.pde.visualization-updatesite/site.xml
+++ b/visualization/releng/org.eclipse.pde.visualization-updatesite/site.xml
@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <site>
-   <feature url="features/org.eclipse.pde.visualization.dependency_feature_0.5.0.jar" id="org.eclipse.pde.visualization.dependency_feature" version="0.5.0"/>
+   <feature url="features/org.eclipse.pde.visualization.dependency_feature_0.5.0.jar" id="org.eclipse.pde.visualization.dependency_feature" version="0.5.0">
+      <category name="org.eclipse.pde.incubator"/>
+   </feature>
+   <category-def name="org.eclipse.pde.incubator" label="Plug-in Development"/>
 </site>