diff --git a/breeze-grub-5.13.90.tar.xz.sig b/breeze-grub-5.13.90.tar.xz.sig
new file mode 100644
index 0000000..8262b57
--- /dev/null
+++ b/breeze-grub-5.13.90.tar.xz.sig
@@ -0,0 +1,11 @@
+-----BEGIN PGP SIGNATURE-----
+
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diff --git a/grub2-theme-breeze.changes b/grub2-theme-breeze.changes
index 7ad1174..a8d3182 100644
--- a/grub2-theme-breeze.changes
+++ b/grub2-theme-breeze.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Sep 15 16:25:26 UTC 2018 - fabian@ritter-vogt.de
+
+- Add tarball signature and keyring containing keys of release managers
+  Jonathan Riddell and Bhushan Shah
+
 -------------------------------------------------------------------
 Thu Sep 13 17:24:59 UTC 2018 - fabian@ritter-vogt.de
 
diff --git a/grub2-theme-breeze.spec b/grub2-theme-breeze.spec
index 3c664f0..c91acaf 100644
--- a/grub2-theme-breeze.spec
+++ b/grub2-theme-breeze.spec
@@ -24,6 +24,10 @@ License:        GPL-3.0+
 Group:          System/Boot
 Url:            http://www.kde.org
 Source:         http://download.kde.org/unstable/plasma/%{version}/breeze-grub-%{version}.tar.xz
+%if %{with lang}
+Source1:        http://download.kde.org/unstable/plasma/%{version}/breeze-grub-%{version}.tar.xz.sig
+Source2:        plasma.keyring
+%endif
 BuildArch:      noarch
 
 %description
diff --git a/plasma.keyring b/plasma.keyring
new file mode 100644
index 0000000..5e9faf8
Binary files /dev/null and b/plasma.keyring differ