diff --git a/src/core/security/json_token.c b/src/core/security/json_token.c
index d5d65249caccf0037d16611f685a4e06db5d4b28..762f02989acc50d3382f9f0b330c70d7404f15dc 100644
--- a/src/core/security/json_token.c
+++ b/src/core/security/json_token.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/security/create_jwt.c b/test/core/security/create_jwt.c
index 288d9ce109fc3e8063672bf25a8e7701e2655bd7..237dc9aa3e240192acface8ac71aa889d8c3ae26 100644
--- a/test/core/security/create_jwt.c
+++ b/test/core/security/create_jwt.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index 25faa62917a65d800b9e37d5be543465e2255b52..8a210bb3c37868c905fe845ba49d4fd0d794baf1 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/security/json_token_test.c b/test/core/security/json_token_test.c
index a92b00f7b5d7773d32dd03681621aff1ca55d33c..33de248e6af573a948301bb294616846e362ee02 100644
--- a/test/core/security/json_token_test.c
+++ b/test/core/security/json_token_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without