diff --git a/README.md b/README.md
index b850eacb..83064260 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Matrix room: [#firefox-gnome-theme:matrix.org](https://matrix.to/#/#firefox-gnom
 
 ### Firefox versions support
 
-The `master` branch of this repo supports the current Firefox stable release `127`.
+The `master` branch of this repo supports the current Firefox stable release `128`.
 
 Theme versions compatible with older Firefox releases are preserved as git tags.
 
diff --git a/theme/gnome-theme.css b/theme/gnome-theme.css
index 7d394fc0..a33f11c5 100644
--- a/theme/gnome-theme.css
+++ b/theme/gnome-theme.css
@@ -41,6 +41,6 @@
 #customization-footer::before {
 	background: url(../icon.svg) no-repeat;
 	background-size: contain;
-	content: "Firefox GNOME theme v127";
+	content: "Firefox GNOME theme v128";
 	padding: 9px 9px 9px 50px;
 }