diff --git a/LICENSE b/LICENSE
index 0a8bd82..1ae06e2 100755
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2016 Cerebris Corporation
+Copyright (c) 2021 Cerebris Corporation
 
 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/src/v0.10/guide/license.md b/src/v0.10/guide/license.md
index 6904816..bf9a577 100644
--- a/src/v0.10/guide/license.md
+++ b/src/v0.10/guide/license.md
@@ -4,7 +4,7 @@ order: 110
 version: 0.10
 ---
 
-Copyright 2016 Cerebris Corporation.
+Copyright 2021 Cerebris Corporation.
 
 MIT License
 
diff --git a/src/v0.8/guide/license.md b/src/v0.8/guide/license.md
index 588f1d0..38b7a29 100644
--- a/src/v0.8/guide/license.md
+++ b/src/v0.8/guide/license.md
@@ -4,7 +4,7 @@ order: 110
 version: 0.8
 ---
 
-Copyright 2016 Cerebris Corporation.
+Copyright 2017 Cerebris Corporation.
 
 MIT License
 
diff --git a/src/v0.9/guide/license.md b/src/v0.9/guide/license.md
index 5fb6105..634d2c7 100644
--- a/src/v0.9/guide/license.md
+++ b/src/v0.9/guide/license.md
@@ -4,7 +4,7 @@ order: 110
 version: 0.9
 ---
 
-Copyright 2016 Cerebris Corporation.
+Copyright 2019 Cerebris Corporation.
 
 MIT License