diff --git a/static/usage.html b/static/usage.html
index fa052cc9..a9c3b315 100644
--- a/static/usage.html
+++ b/static/usage.html
@@ -1286,7 +1286,7 @@
                 GrapheneOS will never add support for this.</p>
 
                 <p>Android 12 introduced support for the
-                <a href="https://www.gsma.com/newsroom/wp-content/uploads//TS.43-v8.0-3.pdf">GSMA
+                <a href="https://www.gsma.com/newsroom/wp-content/uploads//TS.43-v9.0.pdf">GSMA
                 TS.43</a> standard, where provisioning for VoLTE, VoNR, Wi-Fi calling may be
                 handled by Google Firebase. Currently it is very rare for carriers to be using
                 Firebase to handle this. It is unlikely, but technically possible, that with such