diff --git a/tests/shared/src/test/scala/simple.vec.ops.scala b/tests/shared/src/test/scala/simple.vec.ops.scala
index 6fe6db4..00244a1 100644
--- a/tests/shared/src/test/scala/simple.vec.ops.scala
+++ b/tests/shared/src/test/scala/simple.vec.ops.scala
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 dragonfly.ai
+ *
+ * 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.
+ */
+
 import ai.dragonfly.math.vector.*
 import narr.*