diff --git a/protoc_plugins/descriptor_parser.py b/protoc_plugins/descriptor_parser.py
index c23f497..0034379 100644
--- a/protoc_plugins/descriptor_parser.py
+++ b/protoc_plugins/descriptor_parser.py
@@ -1,5 +1,5 @@
 #
-# Copyright 2016 the original author or authors.
+# Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoc_plugins/gw_gen.py b/protoc_plugins/gw_gen.py
index 4400a1a..42d18c0 100755
--- a/protoc_plugins/gw_gen.py
+++ b/protoc_plugins/gw_gen.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2016 the original author or authors.
+# Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoc_plugins/protobuf_introspect.py b/protoc_plugins/protobuf_introspect.py
index 408a6da..c6841b6 100755
--- a/protoc_plugins/protobuf_introspect.py
+++ b/protoc_plugins/protobuf_introspect.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2016 the original author or authors.
+# Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoc_plugins/schema2dict.py b/protoc_plugins/schema2dict.py
index 31c0417..9c30d5e 100644
--- a/protoc_plugins/schema2dict.py
+++ b/protoc_plugins/schema2dict.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2016 the original author or authors.
+# Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoc_plugins/swagger_gen.py b/protoc_plugins/swagger_gen.py
index 0342d87..1fce4fe 100755
--- a/protoc_plugins/swagger_gen.py
+++ b/protoc_plugins/swagger_gen.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2016 the original author or authors.
+# Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoc_plugins/swagger_template.py b/protoc_plugins/swagger_template.py
index d93c8da..e3aff17 100644
--- a/protoc_plugins/swagger_template.py
+++ b/protoc_plugins/swagger_template.py
@@ -1,5 +1,5 @@
 #
-# Copyright 2016 the original author or authors.
+# Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.