diff --git a/org.ntlab.traceCollector/META-INF/MANIFEST.MF b/org.ntlab.traceCollector/META-INF/MANIFEST.MF
index 34a0c53..25e1def 100644
--- a/org.ntlab.traceCollector/META-INF/MANIFEST.MF
+++ b/org.ntlab.traceCollector/META-INF/MANIFEST.MF
@@ -16,3 +16,5 @@
 Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Bundle-ClassPath: javassist.jar,
  .
+Export-Package: org.ntlab.traceCollector,
+ org.ntlab.traceCollector.tracer.trace