diff --git a/README.md b/README.md
index b72bb97..a25c5ed 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 A design system for building faithful recreations of old UIs.
 
-<img alt="a screenshot of a window with the title 'My First VB4 Program' and two buttons OK and Cancel, styled like a Windows 98 dialog" src="https://github.com/jdan/98.css/blob/master/docs/window.png?raw=true" height="133"> <img alt="a magnified view showing pixel-perfect borders on a scrollbar and button element" src="https://github.com/jdan/98.css/blob/master/docs/zoom.png?raw=true?raw=true" height="133">
+<img alt="a screenshot of a window with the title 'My First VB4 Program' and two buttons OK and Cancel, styled like a Windows 98 dialog" src="https://github.com/jdan/98.css/blob/main/docs/window.png?raw=true" height="133"> <img alt="a magnified view showing pixel-perfect borders on a scrollbar and button element" src="https://github.com/jdan/98.css/blob/main/docs/zoom.png?raw=true?raw=true" height="133">
 
 98.css is a CSS file that takes semantic HTML and makes it look pretty. It does not ship with any JavaScript, so it is compatible with your frontend framework of choice.
 
@@ -53,7 +53,7 @@ Refer to the [documentation page](https://jdan.github.io/98.css/) for specific i
 
 First, run `npm install`.
 
-[`style.css`](https://github.com/jdan/98.css/blob/master/style.css) is where everything happens.
+[`style.css`](https://github.com/jdan/98.css/blob/main/style.css) is where everything happens.
 
 You can use `npm start` to start a development environment that will watch for file changes and rebuild 98.css, reloading your browser in the process.
 
@@ -67,4 +67,4 @@ Thank you for checking my little project out, I hope it brought you some joy tod
 
 ### License
 
-[MIT](https://github.com/jdan/98.css/blob/master/LICENSE)
+[MIT](https://github.com/jdan/98.css/blob/main/LICENSE)