diff --git a/kgamma5-5.13.90.tar.xz.sig b/kgamma5-5.13.90.tar.xz.sig
new file mode 100644
index 0000000..d5a1ec2
--- /dev/null
+++ b/kgamma5-5.13.90.tar.xz.sig
@@ -0,0 +1,11 @@
+-----BEGIN PGP SIGNATURE-----
+
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+-----END PGP SIGNATURE-----
diff --git a/kgamma5.changes b/kgamma5.changes
index 5389631..45d1ab6 100644
--- a/kgamma5.changes
+++ b/kgamma5.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Sep 15 16:25:28 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/kgamma5.spec b/kgamma5.spec
index 5f786f4..d7950d8 100644
--- a/kgamma5.spec
+++ b/kgamma5.spec
@@ -25,6 +25,10 @@ License:        GPL-2.0-or-later
 Group:          Productivity/Graphics/Other
 Url:            http://www.kde.org
 Source:         http://download.kde.org/unstable/plasma/%{version}/kgamma5-%{version}.tar.xz
+%if %{with lang}
+Source1:        http://download.kde.org/unstable/plasma/%{version}/kgamma5-%{version}.tar.xz.sig
+Source2:        plasma.keyring
+%endif
 BuildRequires:  extra-cmake-modules >= 1.0.0
 BuildRequires:  kf5-filesystem
 BuildRequires:  xz
diff --git a/plasma.keyring b/plasma.keyring
new file mode 100644
index 0000000..5e9faf8
Binary files /dev/null and b/plasma.keyring differ