diff --git a/config.go b/config.go
index 274f384..2d1f67c 100644
--- a/config.go
+++ b/config.go
@@ -1,3 +1,4 @@
+// Copyright 2023 William Perron. All rights reserved. MIT License.
 package sqliteexporter
 
 import (
diff --git a/config_test.go b/config_test.go
index cc00202..379aabf 100644
--- a/config_test.go
+++ b/config_test.go
@@ -1,3 +1,4 @@
+// Copyright 2023 William Perron. All rights reserved. MIT License.
 package sqliteexporter
 
 import (
diff --git a/factory.go b/factory.go
index de38d72..5e1f117 100644
--- a/factory.go
+++ b/factory.go
@@ -1,3 +1,4 @@
+// Copyright 2023 William Perron. All rights reserved. MIT License.
 package sqliteexporter
 
 import (
diff --git a/factory_test.go b/factory_test.go
index 7cc700b..2128bc0 100644
--- a/factory_test.go
+++ b/factory_test.go
@@ -1,3 +1,4 @@
+// Copyright 2023 William Perron. All rights reserved. MIT License.
 package sqliteexporter
 
 import (
diff --git a/sqlite_exporter.go b/sqlite_exporter.go
index bca3b12..dc3099a 100644
--- a/sqlite_exporter.go
+++ b/sqlite_exporter.go
@@ -1,3 +1,4 @@
+// Copyright 2023 William Perron. All rights reserved. MIT License.
 package sqliteexporter
 
 import (