diff --git a/LICENSE b/LICENSE
index 0270530e31..de2bd7cca3 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright 2018 the Deno authors.
+Copyright 2018-2019 the Deno authors.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 6032730e21..995ce9c53d 100644
--- a/README.md
+++ b/README.md
@@ -16,4 +16,4 @@ for Deno.
 
 ---
 
-Copyright 2018 the Deno authors. All rights reserved. MIT license.
+Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
diff --git a/colors/README.md b/colors/README.md
index bdaa3d51e9..72845b0920 100644
--- a/colors/README.md
+++ b/colors/README.md
@@ -25,4 +25,4 @@ console.log(color.bgBlue.red.bold("Hello world!"));
 
 ---
 
-Copyright 2018 the Deno authors. All rights reserved. MIT license.
+Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
diff --git a/colors/main.ts b/colors/main.ts
index af4e1aace8..8316060dbb 100644
--- a/colors/main.ts
+++ b/colors/main.ts
@@ -1,4 +1,4 @@
-// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 import { styles } from "./styles.ts";
 
 type Styles = { readonly [S in keyof typeof styles]: Color };
diff --git a/colors/styles.ts b/colors/styles.ts
index 74f609b83a..c9fd0eb3d4 100644
--- a/colors/styles.ts
+++ b/colors/styles.ts
@@ -1,4 +1,4 @@
-// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 const matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g;
 function escapeStringRegexp(str: string): string {
   return str.replace(matchOperatorsRe, "\\$&");
diff --git a/format.ts b/format.ts
index 949fa9ce96..c11d4e7b95 100755
--- a/format.ts
+++ b/format.ts
@@ -1,5 +1,5 @@
 #!/usr/bin/env deno --allow-run
-// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 
 import { readAll, exit, run } from "deno";