package as an OSGi bundle for easier consumption
diff --git a/contrib/jdt-null-annotations/.classpath b/contrib/jdt-null-annotations/.classpath
index 8727917..304e861 100644
--- a/contrib/jdt-null-annotations/.classpath
+++ b/contrib/jdt-null-annotations/.classpath
@@ -2,5 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>