diff --git a/src/main/scala/net/virtualvoid/sbt/graph/IvyGraphMLDependencies.scala b/src/main/scala/net/virtualvoid/sbt/graph/IvyGraphMLDependencies.scala
index e0d350b11..def166018 100644
--- a/src/main/scala/net/virtualvoid/sbt/graph/IvyGraphMLDependencies.scala
+++ b/src/main/scala/net/virtualvoid/sbt/graph/IvyGraphMLDependencies.scala
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2011, 2012 Johannes Rudolph
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
 package net.virtualvoid.sbt.graph
 
 import xml.parsing.ConstructingParser
diff --git a/src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala b/src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala
index 420262ea8..6d98092d2 100644
--- a/src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala
+++ b/src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2011, 2012 Johannes Rudolph
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
 package net.virtualvoid.sbt.graph
 
 import sbt._