diff --git a/metadata.json b/metadata.json
index fa61f22..32a79b5 100644
--- a/metadata.json
+++ b/metadata.json
@@ -11,37 +11,43 @@
     {
       "operatingsystem": "AlmaLinux",
       "operatingsystemrelease": [
-        "8"
+        "8",
+        "9"
       ]
     },
     {
       "operatingsystem": "Rocky",
       "operatingsystemrelease": [
-        "8"
+        "8",
+        "9"
       ]
     },
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
-        "8"
+        "8",
+        "9"
       ]
     },
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
-        "8"
+        "8",
+        "9"
       ]
     },
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
-        "8"
+        "8",
+        "9"
       ]
     },
     {
       "operatingsystem": "Scientific",
       "operatingsystemrelease": [
-        "8"
+        "8",
+        "9"
       ]
     },
     {
diff --git a/spec/acceptance/unbound_spec.rb b/spec/acceptance/unbound_spec.rb
index 127f551..53182e0 100644
--- a/spec/acceptance/unbound_spec.rb
+++ b/spec/acceptance/unbound_spec.rb
@@ -45,11 +45,11 @@
       its(:stdout) { is_expected.to match %r{flags: qr rd ra ad;} }
     end
 
-    describe command('dig +dnssec SOA dnssec-failed.org @localhost') do
+    describe command('dig +dnssec SOA servfail.nl @localhost') do
       its(:stdout) { is_expected.to match %r{status: SERVFAIL} }
     end
 
-    describe command('dig +dnssec +cd SOA dnssec-failed.org @localhost') do
+    describe command('dig +dnssec +cd SOA servfail.nl @localhost') do
       its(:stdout) { is_expected.to match %r{status: NOERROR} }
     end
   end