diff --git a/opc-ua-sdk/sdk-server/src/main/java/org/eclipse/milo/opcua/sdk/server/SimpleAddressSpaceComposite.java b/opc-ua-sdk/sdk-server/src/main/java/org/eclipse/milo/opcua/sdk/server/SimpleAddressSpaceComposite.java
index 8df9db89b..66d06de88 100644
--- a/opc-ua-sdk/sdk-server/src/main/java/org/eclipse/milo/opcua/sdk/server/SimpleAddressSpaceComposite.java
+++ b/opc-ua-sdk/sdk-server/src/main/java/org/eclipse/milo/opcua/sdk/server/SimpleAddressSpaceComposite.java
@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2024 the Eclipse Milo Authors
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+
 package org.eclipse.milo.opcua.sdk.server;
 
 import static java.util.stream.Collectors.groupingBy;