diff --git a/sord-0.16.10.tar.bz2.sig b/sord-0.16.10.tar.bz2.sig
new file mode 100644
index 0000000..8b1fc14
Binary files /dev/null and b/sord-0.16.10.tar.bz2.sig differ
diff --git a/sord.changes b/sord.changes
index 590a66d..a136eee 100644
--- a/sord.changes
+++ b/sord.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Aug  9 20:31:13 UTC 2022 - Dirk Müller <dmueller@suse.com>
+
+- add gpg validation of release 
+
 -------------------------------------------------------------------
 Mon Jun 27 20:36:36 UTC 2022 - Dirk Müller <dmueller@suse.com>
 
diff --git a/sord.keyring b/sord.keyring
new file mode 100644
index 0000000..4216d2b
--- /dev/null
+++ b/sord.keyring
@@ -0,0 +1,51 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
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diff --git a/sord.spec b/sord.spec
index d8600ac..6220c6a 100644
--- a/sord.spec
+++ b/sord.spec
@@ -23,9 +23,11 @@ Release:        0
 Summary:        Utilities to work with RDF data
 License:        ISC
 Group:          Productivity/File utilities
-URL:            https://drobilla.net/software/sord/
+URL:            https://drobilla.net/software/sord.html
 Source0:        https://download.drobilla.net/sord-%{version}.tar.bz2
-Source1:        baselibs.conf
+Source1:        https://download.drobilla.net/sord-%{version}.tar.bz2.sig
+Source2:        sord.keyring
+Source3:        baselibs.conf
 BuildRequires:  doxygen
 BuildRequires:  graphviz
 BuildRequires:  pcre-devel