diff --git a/LICENSE b/LICENSE
index 398540b34..3c1f82517 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2016 kazuya kawaguchi
+Copyright (c) 2016-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/core-base/LICENSE b/packages/core-base/LICENSE
index c02ff3ea6..c88d82589 100644
--- a/packages/core-base/LICENSE
+++ b/packages/core-base/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 kazuya kawaguchi
+Copyright (c) 2020-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/core/LICENSE b/packages/core/LICENSE
index c02ff3ea6..3c1f82517 100644
--- a/packages/core/LICENSE
+++ b/packages/core/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 kazuya kawaguchi
+Copyright (c) 2016-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/devtools-types/LICENSE b/packages/devtools-types/LICENSE
index c69bf0cfd..ae9effa77 100644
--- a/packages/devtools-types/LICENSE
+++ b/packages/devtools-types/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2024 kazuya kawaguchi
+Copyright (c) 2024-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/format-explorer/LICENSE b/packages/format-explorer/LICENSE
index c02ff3ea6..c88d82589 100644
--- a/packages/format-explorer/LICENSE
+++ b/packages/format-explorer/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 kazuya kawaguchi
+Copyright (c) 2020-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/message-compiler/LICENSE b/packages/message-compiler/LICENSE
index c02ff3ea6..c88d82589 100644
--- a/packages/message-compiler/LICENSE
+++ b/packages/message-compiler/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 kazuya kawaguchi
+Copyright (c) 2020-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/petite-vue-i18n/LICENSE b/packages/petite-vue-i18n/LICENSE
index d50c49b4d..325496aa1 100644
--- a/packages/petite-vue-i18n/LICENSE
+++ b/packages/petite-vue-i18n/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2021 kazuya kawaguchi
+Copyright (c) 2021-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/shared/LICENSE b/packages/shared/LICENSE
index c02ff3ea6..c88d82589 100644
--- a/packages/shared/LICENSE
+++ b/packages/shared/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 kazuya kawaguchi
+Copyright (c) 2020-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/vue-i18n-core/LICENSE b/packages/vue-i18n-core/LICENSE
index c02ff3ea6..c88d82589 100644
--- a/packages/vue-i18n-core/LICENSE
+++ b/packages/vue-i18n-core/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 kazuya kawaguchi
+Copyright (c) 2020-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/packages/vue-i18n/LICENSE b/packages/vue-i18n/LICENSE
index c02ff3ea6..3c1f82517 100644
--- a/packages/vue-i18n/LICENSE
+++ b/packages/vue-i18n/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 kazuya kawaguchi
+Copyright (c) 2016-present kazuya kawaguchi and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/rollup.config.mjs b/rollup.config.mjs
index ea6eb6761..2110de3e9 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -25,7 +25,7 @@ const packageOptions = pkg.buildOptions || {}
 
 const banner = `/*!
   * ${name} v${pkg.version}
-  * (c) ${new Date().getFullYear()} ${pkg.author.name}
+  * (c) 2016-present ${pkg.author.name} and contributors
   * Released under the ${pkg.license} License.
   */`