diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7826be1d..fcbc9a30 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,3 +9,13 @@ jobs:
         name: Build for testing
       - run: ./scripts/test-without-building.sh
         name: Test
+
+  check-headers:
+    runs-on: macOS-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Check headers
+        run: |
+          chmod +x ./check_headers.sh
+          ./check_headers.sh
+        shell: bash
diff --git a/OptimoveCore/Sources/Classes/JSON/Initialization.swift b/OptimoveCore/Sources/Classes/third_party/JSON/Initialization.swift
similarity index 100%
rename from OptimoveCore/Sources/Classes/JSON/Initialization.swift
rename to OptimoveCore/Sources/Classes/third_party/JSON/Initialization.swift
diff --git a/OptimoveCore/Sources/Classes/JSON/JSON.swift b/OptimoveCore/Sources/Classes/third_party/JSON/JSON.swift
similarity index 100%
rename from OptimoveCore/Sources/Classes/JSON/JSON.swift
rename to OptimoveCore/Sources/Classes/third_party/JSON/JSON.swift
diff --git a/OptimoveCore/Sources/Classes/JSON/Merging.swift b/OptimoveCore/Sources/Classes/third_party/JSON/Merging.swift
similarity index 100%
rename from OptimoveCore/Sources/Classes/JSON/Merging.swift
rename to OptimoveCore/Sources/Classes/third_party/JSON/Merging.swift
diff --git a/OptimoveCore/Sources/Classes/JSON/Querying.swift b/OptimoveCore/Sources/Classes/third_party/JSON/Querying.swift
similarity index 100%
rename from OptimoveCore/Sources/Classes/JSON/Querying.swift
rename to OptimoveCore/Sources/Classes/third_party/JSON/Querying.swift
diff --git a/OptimoveNotificationServiceExtension/Sources/OptimoveNotificationExtension.h b/OptimoveNotificationServiceExtension/Sources/OptimoveNotificationExtension.h
index 6b523a5a..827944b7 100644
--- a/OptimoveNotificationServiceExtension/Sources/OptimoveNotificationExtension.h
+++ b/OptimoveNotificationServiceExtension/Sources/OptimoveNotificationExtension.h
@@ -1,9 +1,4 @@
-//
-//  OptimoveNotificationExtension.h
-//  OptimoveNotificationExtension
-//
-//  Created by Christopher Wyllie on 21/04/2022.
-//
+//  Copyright © 2022 Optimove. All rights reserved.
 
 #import <Foundation/Foundation.h>
 
diff --git a/OptimoveNotificationServiceExtension/Tests/Sources/OptimoveNotificationExtensionTests.swift b/OptimoveNotificationServiceExtension/Tests/Sources/OptimoveNotificationExtensionTests.swift
index c2098d81..8d64105f 100644
--- a/OptimoveNotificationServiceExtension/Tests/Sources/OptimoveNotificationExtensionTests.swift
+++ b/OptimoveNotificationServiceExtension/Tests/Sources/OptimoveNotificationExtensionTests.swift
@@ -1,9 +1,4 @@
-//
-//  OptimoveNotificationExtensionTests.swift
-//  OptimoveNotificationExtensionTests
-//
-//  Created by Christopher Wyllie on 21/04/2022.
-//
+//  Copyright © 2022 Optimove. All rights reserved.
 
 import XCTest
 @testable import OptimoveNotificationServiceExtension
diff --git a/OptimoveSDK/Sources/Classes/Optimobile/Optimobile+Location.swift b/OptimoveSDK/Sources/Classes/Optimobile/Optimobile+Location.swift
index 0cafa84b..9ed3902a 100644
--- a/OptimoveSDK/Sources/Classes/Optimobile/Optimobile+Location.swift
+++ b/OptimoveSDK/Sources/Classes/Optimobile/Optimobile+Location.swift
@@ -1,4 +1,4 @@
-
+//  Copyright © 2022 Optimove. All rights reserved.
 
 import Foundation
 import CoreLocation
diff --git a/OptimoveSDK/Sources/Classes/Optimobile/CwlSysctl.swift b/OptimoveSDK/Sources/Classes/Optimobile/third_party/CwlSysctl.swift
similarity index 100%
rename from OptimoveSDK/Sources/Classes/Optimobile/CwlSysctl.swift
rename to OptimoveSDK/Sources/Classes/Optimobile/third_party/CwlSysctl.swift
diff --git a/check_headers.sh b/check_headers.sh
index a122623d..7d5d515e 100755
--- a/check_headers.sh
+++ b/check_headers.sh
@@ -11,7 +11,8 @@ options=(
 
 git grep "${options[@]}" -- \
     '*.'{h,m,mm,swift} \
-    ':(exclude)**/third_party/**'
+    ':(exclude)**/third_party/**' \
+    ':(exclude)Package.swift'
 if [[ $? == 0 ]]; then
   echo "ERROR: Missing copyright notices in the files above. Please fix."
   exit 1