diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 65a5947..b3680f0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -21,8 +21,8 @@ land a change.
 
 ```sh
 # Requires Node 22+ and pnpm.
-git clone --recurse-submodules https://github.com/baseballyama/word-kit
-cd word-kit
+git clone --recurse-submodules https://github.com/office-kit/docx
+cd docx
 pnpm install
 ```
 
diff --git a/package.json b/package.json
index 2949466..57f39cc 100644
--- a/package.json
+++ b/package.json
@@ -9,15 +9,15 @@
     "word",
     "wordprocessingml"
   ],
-  "homepage": "https://github.com/baseballyama/word-kit#readme",
+  "homepage": "https://github.com/office-kit/docx#readme",
   "bugs": {
-    "url": "https://github.com/baseballyama/word-kit/issues"
+    "url": "https://github.com/office-kit/docx/issues"
   },
   "license": "MIT",
   "author": "Yuichiro Yamashita",
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/baseballyama/word-kit.git"
+    "url": "git+https://github.com/office-kit/docx.git"
   },
   "files": [
     "dist",
diff --git a/packages/preview/package.json b/packages/preview/package.json
index 9e24b7a..a14549c 100644
--- a/packages/preview/package.json
+++ b/packages/preview/package.json
@@ -10,15 +10,15 @@
     "word",
     "wordprocessingml"
   ],
-  "homepage": "https://github.com/baseballyama/word-kit#readme",
+  "homepage": "https://github.com/office-kit/docx#readme",
   "bugs": {
-    "url": "https://github.com/baseballyama/word-kit/issues"
+    "url": "https://github.com/office-kit/docx/issues"
   },
   "license": "MIT",
   "author": "Yuichiro Yamashita",
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/baseballyama/word-kit.git",
+    "url": "git+https://github.com/office-kit/docx.git",
     "directory": "packages/preview"
   },
   "files": [
diff --git a/site/src/lib/components/SiteHeader.svelte b/site/src/lib/components/SiteHeader.svelte
index c5ba019..39cd333 100644
--- a/site/src/lib/components/SiteHeader.svelte
+++ b/site/src/lib/components/SiteHeader.svelte
@@ -8,7 +8,7 @@
     { path: '/docs/recipes', label: 'Recipes' },
     { path: '/playground', label: 'Playground' },
     { path: '/api', label: 'API' },
-    { path: 'https://github.com/baseballyama/word-kit', label: 'GitHub', external: true },
+    { path: 'https://github.com/office-kit/docx', label: 'GitHub', external: true },
   ];
 
   function resolve(link: (typeof links)[number]): string {
diff --git a/site/src/routes/+layout.svelte b/site/src/routes/+layout.svelte
index 74a49f1..34d6935 100644
--- a/site/src/routes/+layout.svelte
+++ b/site/src/routes/+layout.svelte
@@ -21,7 +21,7 @@
     <div class="footer-grid">
       <div class="cell">
         <span class="label">Project</span>
-        <a href="https://github.com/baseballyama/word-kit">word-kit</a>
+        <a href="https://github.com/office-kit/docx">word-kit</a>
       </div>
       <div class="cell">
         <span class="label">License</span>
diff --git a/site/src/routes/+page.svelte b/site/src/routes/+page.svelte
index 8771b3b..1257ed6 100644
--- a/site/src/routes/+page.svelte
+++ b/site/src/routes/+page.svelte
@@ -90,7 +90,7 @@
       <a href="{base}/playground" class="btn ghost">Open playground</a>
       <a href="{base}/docs/recipes" class="btn ghost">Recipes</a>
       <a href="{base}/api" class="btn ghost">API reference</a>
-      <a href="https://github.com/baseballyama/word-kit" class="btn ghost">
+      <a href="https://github.com/office-kit/docx" class="btn ghost">
         GitHub <span class="ext">↗</span>
       </a>
     </div>
diff --git a/site/src/routes/api/+page.svelte b/site/src/routes/api/+page.svelte
index 9ef4884..922b434 100644
--- a/site/src/routes/api/+page.svelte
+++ b/site/src/routes/api/+page.svelte
@@ -22,7 +22,7 @@
       applicable) and is side-effect-free at the module level, so bundlers can tree-shake
       anything you don't import. For full signatures and parameter shapes, see
       <code>src/index.ts</code> and the
-      <a href="https://github.com/baseballyama/word-kit">repository</a>.
+      <a href="https://github.com/office-kit/docx">repository</a>.
     </p>
   </div>
 </section>
diff --git a/site/src/routes/docs/getting-started/+page.svelte b/site/src/routes/docs/getting-started/+page.svelte
index 3320e78..85af233 100644
--- a/site/src/routes/docs/getting-started/+page.svelte
+++ b/site/src/routes/docs/getting-started/+page.svelte
@@ -87,7 +87,7 @@
     <li><a href="{base}/docs/recipes">Recipes</a> — common scenarios, copy-paste ready</li>
     <li><a href="{base}/api">API reference</a> — every public export, grouped by area</li>
     <li><a href="{base}/playground">Playground</a> — drop a .docx and see preview</li>
-    <li><a href="https://github.com/baseballyama/word-kit">GitHub</a> — source + issues</li>
+    <li><a href="https://github.com/office-kit/docx">GitHub</a> — source + issues</li>
   </ul>
 </article>
 
diff --git a/site/src/routes/llms-full.txt/+server.ts b/site/src/routes/llms-full.txt/+server.ts
index d8ea7d9..b593fc2 100644
--- a/site/src/routes/llms-full.txt/+server.ts
+++ b/site/src/routes/llms-full.txt/+server.ts
@@ -25,7 +25,7 @@ const PREAMBLE = `# word-kit — full documentation
 
 This file is the concatenation of every page on the word-kit docs site, intended for LLM ingestion in a single fetch. Page boundaries are marked with H1 headings prefixed by the source path. The companion index at \`/llms.txt\` lists the same pages with one-line descriptions.
 
-Source repo: https://github.com/baseballyama/word-kit
+Source repo: https://github.com/office-kit/docx
 `;
 
 const PROJECT_OVERVIEW = `OOXML-compliant (ECMA-376 Part 1 — WordprocessingML) Word \`.docx\` library for Node 22+ and modern browsers. Function-first API: every operation is a standalone, tree-shakeable export, never a method on a class. Lossless round-trip for every element the library does not yet model, so hand-designed templates survive intact.
diff --git a/site/src/routes/llms.txt/+server.ts b/site/src/routes/llms.txt/+server.ts
index e6a7551..7846a3b 100644
--- a/site/src/routes/llms.txt/+server.ts
+++ b/site/src/routes/llms.txt/+server.ts
@@ -42,7 +42,7 @@ Pre-1.0. Core (\`openDocx\` / \`createDocx\` / \`toUint8Array\`) is stable and l
 
 ## Source
 
-- [GitHub repository](https://github.com/baseballyama/word-kit)
+- [GitHub repository](https://github.com/office-kit/docx)
 - [Sibling project: xlsx-kit](https://github.com/baseballyama/xlsx-kit)
 `;