diff --git a/cockpit/cockpit-image-builder.spec b/cockpit/cockpit-image-builder.spec
index 5d74def3..725fee04 100644
--- a/cockpit/cockpit-image-builder.spec
+++ b/cockpit/cockpit-image-builder.spec
@@ -5,7 +5,7 @@ Summary:        Image builder plugin for Cockpit
 
 License:        Apache-2.0
 URL:            http://osbuild.org/
-Source0:        %{name}-%{version}.tar.gz
+Source0:        https://github.com/osbuild/image-builder-frontend/releases/download/%{version}/%{name}-%{version}.tar.gz
 
 Obsoletes:      cockpit-composer < 54
 Provides:       cockpit-composer = %{version}-%{release}