diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79df8f1..ce333cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
## node-red-contrib-letsfiware-NGSI v0.17.0-next
+- Update copyright date (#151)
+
## node-red-contrib-letsfiware-NGSI v0.17.0 - 18 September, 2023
- UPDATE examples (#148)
diff --git a/LICENSE b/LICENSE
index c36fb91..b77a24c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
MIT License
-Copyright 2022-2023 Kazuhito Suda
+Copyright 2022-2024 Kazuhito Suda
https://github.com/lets-fiware/node-red-contrib-letsfiware-NGSI
diff --git a/README.md b/README.md
index 20a281a..7d18f42 100644
--- a/README.md
+++ b/README.md
@@ -104,5 +104,5 @@ To stop the containers, run the following command.
## Copyright and License
-Copyright 2022-2023 Kazuhito Suda
+Copyright 2022-2024 Kazuhito Suda
Licensed under the [MIT License](./LICENSE).
diff --git a/README_ja.md b/README_ja.md
index 2c221b2..323a2a6 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -97,5 +97,5 @@ cd node-red-letsfiware-NGSI/examples
## Copyright and License
-Copyright 2022-2023 Kazuhito Suda
+Copyright 2022-2024 Kazuhito Suda
Licensed under the [MIT License](./LICENSE).
diff --git a/docs/en/index.md b/docs/en/index.md
index 617e851..4473321 100644
--- a/docs/en/index.md
+++ b/docs/en/index.md
@@ -58,5 +58,5 @@ npm install node-red-contrib-letsfiware-ngsi
## Copyright and License
-Copyright 2022-2023 Kazuhito Suda
+Copyright 2022-2024 Kazuhito Suda
Licensed under the [MIT License](./LICENSE).
diff --git a/docs/ja/index.md b/docs/ja/index.md
index 75eeea4..5ea5392 100644
--- a/docs/ja/index.md
+++ b/docs/ja/index.md
@@ -57,5 +57,5 @@ npm install node-red-contrib-letsfiware-ngsi
## Copyright and License
-Copyright 2022-2023 Kazuhito Suda
+Copyright 2022-2024 Kazuhito Suda
Licensed under the [MIT License](./LICENSE).
diff --git a/examples/service b/examples/service
index a172141..91ca364 100755
--- a/examples/service
+++ b/examples/service
@@ -2,7 +2,7 @@
# MIT License
#
-# Copyright 2022-2023 Kazuhito Suda
+# Copyright 2022-2024 Kazuhito Suda
#
# This file is part of node-red-contrib-letsfiware-NGSI
#
diff --git a/src/lib.js b/src/lib.js
index 5b3fa70..0d1e92a 100644
--- a/src/lib.js
+++ b/src/lib.js
@@ -1,7 +1,7 @@
/*
MIT License
- Copyright 2022-2023 Kazuhito Suda
+ Copyright 2022-2024 Kazuhito Suda
This file is part of node-red-contrib-letsfiware-NGSI
diff --git a/src/nodes/NGSI/attribute-value/attribute-value.html b/src/nodes/NGSI/attribute-value/attribute-value.html
index cd731a5..dea4dfa 100644
--- a/src/nodes/NGSI/attribute-value/attribute-value.html
+++ b/src/nodes/NGSI/attribute-value/attribute-value.html
@@ -1,7 +1,7 @@