diff --git a/connections/swift/NearbyConnections/Tests/BuildTests.swift b/connections/swift/NearbyConnections/Tests/BuildTests.swift
index 0ca3f19d..318a4aa7 100644
--- a/connections/swift/NearbyConnections/Tests/BuildTests.swift
+++ b/connections/swift/NearbyConnections/Tests/BuildTests.swift
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// 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
+//
+//     https://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 NearbyConnections
 import XCTest
 
diff --git a/connections/swift/NearbyConnections/Tests/EntryPointTest.swift b/connections/swift/NearbyConnections/Tests/EntryPointTest.swift
index de0644c0..81570a61 100644
--- a/connections/swift/NearbyConnections/Tests/EntryPointTest.swift
+++ b/connections/swift/NearbyConnections/Tests/EntryPointTest.swift
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// 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
+//
+//     https://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 NearbyConnections
 
 @main
diff --git a/connections/swift/NearbyCoreAdapter/Tests/BuildTests.swift b/connections/swift/NearbyCoreAdapter/Tests/BuildTests.swift
index 9e40bf62..e96de001 100644
--- a/connections/swift/NearbyCoreAdapter/Tests/BuildTests.swift
+++ b/connections/swift/NearbyCoreAdapter/Tests/BuildTests.swift
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// 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
+//
+//     https://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 NearbyCoreAdapter
 import XCTest