diff --git a/org.gecko.playground.exchange.client/bnd.bnd b/org.gecko.playground.exchange.client/bnd.bnd
index 09db6b2..1501045 100644
--- a/org.gecko.playground.exchange.client/bnd.bnd
+++ b/org.gecko.playground.exchange.client/bnd.bnd
@@ -1,3 +1,4 @@
 -buildpath: \
 	org.gecko.playground.ds.simple;version=latest,\
-	org.gecko.playground.exchange.api;version=latest
+	org.gecko.playground.exchange.api;version=latest,\
+	org.apache.felix.gogo.runtime;version=latest
diff --git a/org.gecko.playground.extender.example/bnd.bnd b/org.gecko.playground.extender.example/bnd.bnd
index 7e312fa..341fff6 100644
--- a/org.gecko.playground.extender.example/bnd.bnd
+++ b/org.gecko.playground.extender.example/bnd.bnd
@@ -1 +1,2 @@
--buildpath: org.gecko.playground
\ No newline at end of file
+-buildpath: \
+	org.gecko.playground;version=snapshot
\ No newline at end of file
diff --git a/org.gecko.playground.extender/bnd.bnd b/org.gecko.playground.extender/bnd.bnd
index 7932f38..0eb83fb 100644
--- a/org.gecko.playground.extender/bnd.bnd
+++ b/org.gecko.playground.extender/bnd.bnd
@@ -1,3 +1,4 @@
 -buildpath: \
-	org.osgi.framework,\
-	org.osgi.util.tracker
\ No newline at end of file
+	org.osgi.framework;version=latest,\
+	org.osgi.resource;version=latest,\
+	org.osgi.util.tracker;version=latest
\ No newline at end of file
diff --git a/org.gecko.playground.extender/src/org/gecko/playground/extender/activator/Activator.java b/org.gecko.playground.extender/src/org/gecko/playground/extender/activator/Activator.java
index fa92866..e3c66d3 100644
--- a/org.gecko.playground.extender/src/org/gecko/playground/extender/activator/Activator.java
+++ b/org.gecko.playground.extender/src/org/gecko/playground/extender/activator/Activator.java
@@ -76,7 +76,7 @@ public Bundle addingBundle(Bundle bundle, BundleEvent event) {
 					try {
 						Class<?> clazz = adapt.getClassLoader().loadClass(clazzName);
 						Constructor<?> constructor = clazz.getConstructor();
-						Object newInstance = constructor.newInstance(null);
+						Object newInstance = constructor.newInstance(new Object[0]);
 						Class<?>[] interfaces = clazz.getInterfaces();
 						String[] services = new String[] {clazzName};
 						if(interfaces.length > 0) {