diff --git a/Contributing.md b/Contributing.md
index f17eb24..4e7920a 100644
--- a/Contributing.md
+++ b/Contributing.md
@@ -25,6 +25,14 @@ Please follow [best practices](https://github.com/trein/dev-best-practices/wiki/
 
 When your code is ready to be submitted, you can [submit a pull request](https://help.github.com/articles/creating-a-pull-request/) to begin the code review process.
 
+#### Add license 
+
+Please use license headers in all code files. You can apply the `./license_header` template by utilizing [addlicense](https://github.com/google/addlicense).
+
+```sh
+addlicense -f ./license_header ./
+```
+
 #### Generate Go Code
 
 If your work requires re-generating the code (e.g. mock), please run `./gen.sh` at the project root.
diff --git a/utils/cert_reload.go b/certreload/cert_reload.go
similarity index 99%
rename from utils/cert_reload.go
rename to certreload/cert_reload.go
index 941b706..6fd8d8a 100644
--- a/utils/cert_reload.go
+++ b/certreload/cert_reload.go
@@ -1,7 +1,7 @@
 // Copyright 2024 Yahoo Inc.
 // Licensed under the terms of the Apache License 2.0. Please see LICENSE file in project root for terms.
 
-package utils
+package certreload
 
 import (
 	"bytes"
diff --git a/utils/cert_reload_test.go b/certreload/cert_reload_test.go
similarity index 99%
rename from utils/cert_reload_test.go
rename to certreload/cert_reload_test.go
index be441b6..d8f71a6 100644
--- a/utils/cert_reload_test.go
+++ b/certreload/cert_reload_test.go
@@ -1,7 +1,7 @@
 // Copyright 2024 Yahoo Inc.
 // Licensed under the terms of the Apache License 2.0. Please see LICENSE file in project root for terms.
 
-package utils
+package certreload
 
 import (
 	"crypto/tls"
diff --git a/utils/generate_test.go b/certreload/generate_test.go
similarity index 96%
rename from utils/generate_test.go
rename to certreload/generate_test.go
index fc557a7..70c1ed3 100644
--- a/utils/generate_test.go
+++ b/certreload/generate_test.go
@@ -1,7 +1,7 @@
 // Copyright 2022 Yahoo Inc.
 // Licensed under the terms of the Apache License 2.0. Please see LICENSE file in project root for terms.
 
-package utils
+package certreload
 
 //go:generate certstrap init --passphrase "" --common-name "ca" --years 80
 //go:generate certstrap request-cert --passphrase "" --common-name client
diff --git a/utils/testdata/ca.crt b/certreload/testdata/ca.crt
similarity index 100%
rename from utils/testdata/ca.crt
rename to certreload/testdata/ca.crt
diff --git a/utils/testdata/client.crt b/certreload/testdata/client.crt
similarity index 100%
rename from utils/testdata/client.crt
rename to certreload/testdata/client.crt
diff --git a/utils/testdata/client.key b/certreload/testdata/client.key
similarity index 100%
rename from utils/testdata/client.key
rename to certreload/testdata/client.key
diff --git a/license_comment b/license_header
similarity index 94%
rename from license_comment
rename to license_header
index 76ca316..bfad0a1 100644
--- a/license_comment
+++ b/license_header
@@ -1,2 +1,4 @@
+# lice
+
 Copyright 2024 Yahoo Inc.
 Licensed under the terms of the Apache License 2.0. Please see LICENSE file in project root for terms.