diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 79194ff..dd01fd5 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -6,7 +6,7 @@ We welcome contributions of any kind; however, for **feature changes or addition
 
 ## Getting Started
 
-1. [Fork this repository](https://github.com/99nize/chessu/fork) to your GitHub account. You can then clone the repository to your local machine and create a new branch for your changes.
+1. [Fork this repository](https://github.com/ninetynize/chessu/fork) to your GitHub account. You can then clone the repository to your local machine and create a new branch for your changes.
    ```sh
    git clone https://github.com/[your-username]/chessu.git
    cd chessu
diff --git a/README.md b/README.md
index 788192f..1bedf0c 100644
--- a/README.md
+++ b/README.md
@@ -3,9 +3,9 @@
 </h1>
 <p align="center">
   <a href="https://ches.su">
-    <img src="https://img.shields.io/github/deployments/99nize/chessu/Production?label=deployment&style=for-the-badge&color=blue" alt="ches.su" />
+    <img src="https://img.shields.io/github/deployments/ninetynize/chessu/Production?label=deployment&style=for-the-badge&color=blue" alt="ches.su" />
   </a>
-  <img src="https://img.shields.io/github/last-commit/99nize/chessu?style=for-the-badge" alt="Last commit" />
+  <img src="https://img.shields.io/github/last-commit/ninetynize/chessu?style=for-the-badge" alt="Last commit" />
 </p>
 
 <p align="center">Yet another Chess web app. Live demo at <a href="https://ches.su">ches.su</a>.</p>
@@ -21,7 +21,7 @@
 - _optional_ user accounts for tracking stats and game history
 - ~~play solo against Stockfish~~ (wip)
 - mobile-friendly
-- ... and more ([view roadmap](https://github.com/users/99nize/projects/2))
+- ... and more ([view roadmap](https://github.com/users/ninetynize/projects/2))
 
 Built with Next.js 13, Tailwind CSS + daisyUI, react-chessboard, chess.js, Express.js, socket.io and PostgreSQL.
 
diff --git a/client/src/components/Footer.tsx b/client/src/components/Footer.tsx
index 3ab13f5..a8c327a 100644
--- a/client/src/components/Footer.tsx
+++ b/client/src/components/Footer.tsx
@@ -18,7 +18,7 @@ export default function Footer() {
       </div>
       <div className="items-center">
         <a
-          href="https://github.com/99nize/chessu"
+          href="https://github.com/ninetynize/chessu"
           target="_blank"
           rel="noopener noreferrer"
           className="btn btn-ghost btn-sm gap-1 normal-case"
diff --git a/client/src/components/Header.tsx b/client/src/components/Header.tsx
index 370b8e1..dbfc895 100644
--- a/client/src/components/Header.tsx
+++ b/client/src/components/Header.tsx
@@ -25,7 +25,7 @@ export default function Header() {
         <a
           title="Project roadmap"
           className="badge badge-sm badge-secondary gap-0.5"
-          href="https://github.com/users/99nize/projects/2"
+          href="https://github.com/users/ninetynize/projects/2"
           target="_blank"
           rel="noopener noreferrer"
         >
diff --git a/package.json b/package.json
index 6b3f5bf..f3b4846 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "name": "chessu",
     "private": "true",
-    "author": "99nize",
+    "author": "ninetynize",
     "license": "MIT",
     "scripts": {
         "separate-install:client": "pnpm --filter client --ignore-workspace install",