diff --git a/testdata/go/v2/memcached-operator/api/v1alpha1/groupversion_info.go b/testdata/go/v2/memcached-operator/api/v1alpha1/groupversion_info.go
index cd34e142a1d..48db6c393f6 100644
--- a/testdata/go/v2/memcached-operator/api/v1alpha1/groupversion_info.go
+++ b/testdata/go/v2/memcached-operator/api/v1alpha1/groupversion_info.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v2/memcached-operator/api/v1alpha1/memcached_types.go b/testdata/go/v2/memcached-operator/api/v1alpha1/memcached_types.go
index 4ed5052101e..2affdfb7834 100644
--- a/testdata/go/v2/memcached-operator/api/v1alpha1/memcached_types.go
+++ b/testdata/go/v2/memcached-operator/api/v1alpha1/memcached_types.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v2/memcached-operator/api/v1alpha1/memcached_webhook.go b/testdata/go/v2/memcached-operator/api/v1alpha1/memcached_webhook.go
index e2063a6fc66..db29709442a 100644
--- a/testdata/go/v2/memcached-operator/api/v1alpha1/memcached_webhook.go
+++ b/testdata/go/v2/memcached-operator/api/v1alpha1/memcached_webhook.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v2/memcached-operator/api/v1alpha1/zz_generated.deepcopy.go b/testdata/go/v2/memcached-operator/api/v1alpha1/zz_generated.deepcopy.go
index 5edd2767bb0..7730cf55270 100644
--- a/testdata/go/v2/memcached-operator/api/v1alpha1/zz_generated.deepcopy.go
+++ b/testdata/go/v2/memcached-operator/api/v1alpha1/zz_generated.deepcopy.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v2/memcached-operator/controllers/memcached_controller.go b/testdata/go/v2/memcached-operator/controllers/memcached_controller.go
index 14ee7006471..1f5f0f3dbee 100644
--- a/testdata/go/v2/memcached-operator/controllers/memcached_controller.go
+++ b/testdata/go/v2/memcached-operator/controllers/memcached_controller.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v2/memcached-operator/controllers/suite_test.go b/testdata/go/v2/memcached-operator/controllers/suite_test.go
index c8409b4e5a4..349107d32f9 100644
--- a/testdata/go/v2/memcached-operator/controllers/suite_test.go
+++ b/testdata/go/v2/memcached-operator/controllers/suite_test.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v2/memcached-operator/hack/boilerplate.go.txt b/testdata/go/v2/memcached-operator/hack/boilerplate.go.txt
index 606681a693e..45dbbbbcf09 100644
--- a/testdata/go/v2/memcached-operator/hack/boilerplate.go.txt
+++ b/testdata/go/v2/memcached-operator/hack/boilerplate.go.txt
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v2/memcached-operator/main.go b/testdata/go/v2/memcached-operator/main.go
index c334f6d39cd..4e36eb8e714 100644
--- a/testdata/go/v2/memcached-operator/main.go
+++ b/testdata/go/v2/memcached-operator/main.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/api/v1alpha1/groupversion_info.go b/testdata/go/v3/memcached-operator/api/v1alpha1/groupversion_info.go
index cd34e142a1d..48db6c393f6 100644
--- a/testdata/go/v3/memcached-operator/api/v1alpha1/groupversion_info.go
+++ b/testdata/go/v3/memcached-operator/api/v1alpha1/groupversion_info.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/api/v1alpha1/memcached_types.go b/testdata/go/v3/memcached-operator/api/v1alpha1/memcached_types.go
index 4ed5052101e..2affdfb7834 100644
--- a/testdata/go/v3/memcached-operator/api/v1alpha1/memcached_types.go
+++ b/testdata/go/v3/memcached-operator/api/v1alpha1/memcached_types.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/api/v1alpha1/memcached_webhook.go b/testdata/go/v3/memcached-operator/api/v1alpha1/memcached_webhook.go
index b9189aa44af..672a3a6830b 100644
--- a/testdata/go/v3/memcached-operator/api/v1alpha1/memcached_webhook.go
+++ b/testdata/go/v3/memcached-operator/api/v1alpha1/memcached_webhook.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/api/v1alpha1/webhook_suite_test.go b/testdata/go/v3/memcached-operator/api/v1alpha1/webhook_suite_test.go
index d122eacf445..69c487c6aa1 100644
--- a/testdata/go/v3/memcached-operator/api/v1alpha1/webhook_suite_test.go
+++ b/testdata/go/v3/memcached-operator/api/v1alpha1/webhook_suite_test.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/api/v1alpha1/zz_generated.deepcopy.go b/testdata/go/v3/memcached-operator/api/v1alpha1/zz_generated.deepcopy.go
index c9b4e97a164..06a3fb07876 100644
--- a/testdata/go/v3/memcached-operator/api/v1alpha1/zz_generated.deepcopy.go
+++ b/testdata/go/v3/memcached-operator/api/v1alpha1/zz_generated.deepcopy.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/controllers/memcached_controller.go b/testdata/go/v3/memcached-operator/controllers/memcached_controller.go
index 0978d43bd4c..61d2c7599a4 100644
--- a/testdata/go/v3/memcached-operator/controllers/memcached_controller.go
+++ b/testdata/go/v3/memcached-operator/controllers/memcached_controller.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/controllers/suite_test.go b/testdata/go/v3/memcached-operator/controllers/suite_test.go
index 03618e8b33f..2d7e46357c8 100644
--- a/testdata/go/v3/memcached-operator/controllers/suite_test.go
+++ b/testdata/go/v3/memcached-operator/controllers/suite_test.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/hack/boilerplate.go.txt b/testdata/go/v3/memcached-operator/hack/boilerplate.go.txt
index 606681a693e..45dbbbbcf09 100644
--- a/testdata/go/v3/memcached-operator/hack/boilerplate.go.txt
+++ b/testdata/go/v3/memcached-operator/hack/boilerplate.go.txt
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 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/testdata/go/v3/memcached-operator/main.go b/testdata/go/v3/memcached-operator/main.go
index bfd085027e7..44e9804ea83 100644
--- a/testdata/go/v3/memcached-operator/main.go
+++ b/testdata/go/v3/memcached-operator/main.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020.
+Copyright 2021.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.