diff --git a/website/i18n/de/docusaurus-theme-classic/footer.json b/website/i18n/de/docusaurus-theme-classic/footer.json
index 17a4ed9..140448b 100644
--- a/website/i18n/de/docusaurus-theme-classic/footer.json
+++ b/website/i18n/de/docusaurus-theme-classic/footer.json
@@ -44,7 +44,7 @@
     "description": "The label of footer link with label=npm linking to https://www.npmjs.com/package/@dstoolkit/data-structures"
   },
   "copyright": {
-    "message": "Copyright © 2025 data-structures. Erstellt mit Docusaurus.",
+    "message": "Copyright © 2026 data-structures. Erstellt mit Docusaurus.",
     "description": "The footer copyright"
   }
 }
diff --git a/website/i18n/en/docusaurus-theme-classic/footer.json b/website/i18n/en/docusaurus-theme-classic/footer.json
index b6457fb..d2a4de3 100644
--- a/website/i18n/en/docusaurus-theme-classic/footer.json
+++ b/website/i18n/en/docusaurus-theme-classic/footer.json
@@ -44,7 +44,7 @@
     "description": "The label of footer link with label=npm linking to https://www.npmjs.com/package/@dstoolkit/data-structures"
   },
   "copyright": {
-    "message": "Copyright © 2025 data-structures. Built with Docusaurus.",
+    "message": "Copyright © 2026 data-structures. Built with Docusaurus.",
     "description": "The footer copyright"
   }
 }
diff --git a/website/i18n/zh-CN/docusaurus-theme-classic/footer.json b/website/i18n/zh-CN/docusaurus-theme-classic/footer.json
index afabd84..8dc1254 100644
--- a/website/i18n/zh-CN/docusaurus-theme-classic/footer.json
+++ b/website/i18n/zh-CN/docusaurus-theme-classic/footer.json
@@ -44,7 +44,7 @@
     "description": "The label of footer link with label=npm linking to https://www.npmjs.com/package/@dstoolkit/data-structures"
   },
   "copyright": {
-    "message": "版权所有 © 2025 data-structures。使用 Docusaurus 构建。",
+    "message": "版权所有 © 2026 data-structures。使用 Docusaurus 构建。",
     "description": "The footer copyright"
   }
 }