diff --git a/build/boilerplate/boilerplate.py b/build/boilerplate/boilerplate.py
index bd7e5f6a..47f5bbf0 100755
--- a/build/boilerplate/boilerplate.py
+++ b/build/boilerplate/boilerplate.py
@@ -138,7 +138,7 @@ def get_regexs():
     # Search for "YEAR" which exists in the boilerplate, but shouldn't in the real thing
     regexs["year"] = re.compile( 'YEAR' )
     # dates can be 2014, 2015 or 2016, company holder names can be anything
-    regexs["date"] = re.compile( '(2014|2015|2016)' )
+    regexs["date"] = re.compile( '(2014|2015|2016|2017|2018|2019|2020)' )
     # strip // +build \n\n build constraints
     regexs["go_build_constraints"] = re.compile(r"^(// \+build.*\n)+\n", re.MULTILINE)
     # strip #!.* from shell scripts
diff --git a/pages/static/assets.go b/pages/static/assets.go
index 84ddc99a..5ab69b87 100644
--- a/pages/static/assets.go
+++ b/pages/static/assets.go
@@ -1,4 +1,4 @@
-// Copyright 2016 Google Inc. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // 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/pages/templates.go b/pages/templates.go
index 55895673..3ff79441 100644
--- a/pages/templates.go
+++ b/pages/templates.go
@@ -1,4 +1,4 @@
-// Copyright 2016 Google Inc. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.