diff --git a/argv.go b/argv.go
index c1da67b..101fab8 100644
--- a/argv.go
+++ b/argv.go
@@ -1,3 +1,6 @@
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
+
 package main
 
 /*
diff --git a/http.go b/http.go
index 8be1363..9189528 100644
--- a/http.go
+++ b/http.go
@@ -1,3 +1,6 @@
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
+
 package main
 
 import (
diff --git a/main.go b/main.go
index 81b3bc3..7258a47 100644
--- a/main.go
+++ b/main.go
@@ -1,4 +1,5 @@
-// Copyright 2024 WIT.COM Inc.
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
 
 package main
 
diff --git a/send.go b/send.go
index e0e7ec5..2645aea 100644
--- a/send.go
+++ b/send.go
@@ -1,4 +1,5 @@
-// Copyright 2024 WIT.COM Inc Licensed GPL 3.0
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
 
 package main
 
diff --git a/structs.go b/structs.go
index dcdf5c6..0f2330f 100644
--- a/structs.go
+++ b/structs.go
@@ -1,3 +1,6 @@
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
+
 package main
 
 import (
diff --git a/watchdog.go b/watchdog.go
index 5d1b4a2..40ce2ad 100644
--- a/watchdog.go
+++ b/watchdog.go
@@ -1,3 +1,6 @@
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
+
 package main
 
 import (