diff --git a/src/compiler/python_generator.cc b/src/compiler/python_generator.cc
index 2bb00509ac08f77d71336ee36b75319ada6153a0..c754ae299b4cade4f73d6cf7b307343f1d9488b7 100644
--- a/src/compiler/python_generator.cc
+++ b/src/compiler/python_generator.cc
@@ -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/src/compiler/python_generator.h b/src/compiler/python_generator.h
index e56b6790ef9fd03e31942114fd378470f2ae9cde..68da18f9baa659e54fe5ab8fbdb6b5611aba7704 100644
--- a/src/compiler/python_generator.h
+++ b/src/compiler/python_generator.h
@@ -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/src/compiler/python_plugin.cc b/src/compiler/python_plugin.cc
index 92a07b2f80afcc8dfe12cb410033dc5e9006c5ad..d781ddbee589c96d9424314d0f36e77922f13d88 100644
--- a/src/compiler/python_plugin.cc
+++ b/src/compiler/python_plugin.cc
@@ -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