diff --git a/static/install.html b/static/install.html
index 883c2837..96914d84 100644
--- a/static/install.html
+++ b/static/install.html
@@ -108,7 +108,7 @@
                 on a laptop. Many widely distributed USB cables and hubs are broken and are the
                 most common source of issues for installing GrapheneOS.</p>
 
-                <p>Windows 10, macOS Catalina, Arch Linux, Debian buster and Ubuntu 20.04 LTS are the
+                <p>Windows 10, macOS Big Sur, Arch Linux, Debian buster and Ubuntu 20.04 LTS are the
                 officially supported operating systems for installing GrapheneOS. You should make sure
                 your operating system is up-to-date before proceeding with these instructions. Older
                 versions and other Linux distributions usually work, but if you encounter problems try