diff --git a/org.eclipse.scout-feature/feature.xml b/org.eclipse.scout-feature/feature.xml
index 40e5ba2..5aa15f7 100644
--- a/org.eclipse.scout-feature/feature.xml
+++ b/org.eclipse.scout-feature/feature.xml
@@ -28,6 +28,7 @@
       <import feature="org.eclipse.scout.sdk.source" version="4.0.0" match="compatible"/>
       <import feature="org.eclipse.scout.sdk.rap.source" version="4.0.0" match="compatible"/>
       <import feature="org.eclipse.scout.rt.testing.source" version="4.0.0" match="compatible"/>
+      <import feature="org.eclipse.scout.rt.spec.source" version="4.0.0" match="compatible"/>
    </requires>
 
 </feature>
diff --git a/org.eclipse.scout.repository/category.xml b/org.eclipse.scout.repository/category.xml
index 89bbadf..4109a0d 100644
--- a/org.eclipse.scout.repository/category.xml
+++ b/org.eclipse.scout.repository/category.xml
@@ -19,6 +19,10 @@
    <feature url="features/org.eclipse.scout.rt.testing.source_0.0.0.qualifier.jar" id="org.eclipse.scout.rt.testing.source" version="0.0.0">
       <category name="Eclipse Scout RT"/>
    </feature>
+   <feature url="features/org.eclipse.scout.rt.spec_0.0.0.qualifier.jar" id="org.eclipse.scout.rt.testing" version="0.0.0"/>
+   <feature url="features/org.eclipse.scout.rt.spec.source_0.0.0.qualifier.jar" id="org.eclipse.scout.rt.testing.source" version="0.0.0">
+      <category name="Eclipse Scout RT"/>
+   </feature>
    <feature url="features/org.eclipse.scout.rt.testing.core_0.0.0.qualifier.jar" id="org.eclipse.scout.rt.testing.core" version="0.0.0"/>
    <feature url="features/org.eclipse.scout.rt.testing.core.source_0.0.0.qualifier.jar" id="org.eclipse.scout.rt.testing.core.source" version="0.0.0"/>
    <feature url="features/org.eclipse.scout.rt.testing.swing_0.0.0.qualifier.jar" id="org.eclipse.scout.rt.testing.swing" version="0.0.0"/>