diff --git a/manifests/params.pp b/manifests/params.pp
index 487dc8f..8d7c120 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -28,7 +28,7 @@
       # This option is not relevant for Debian
       $sysconfig_disable_zone_checking = undef
 
-      $dnssec_enable = undef,
+      $dnssec_enable = undef
     }
     'RedHat': {
       $dnsdir             = '/etc'
diff --git a/metadata.json b/metadata.json
index c2a5bec..7208fbe 100644
--- a/metadata.json
+++ b/metadata.json
@@ -35,7 +35,8 @@
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
-        "8"
+        "8",
+        "9"
       ]
     },
     {
@@ -47,8 +48,8 @@
     {
       "operatingsystem": "Fedora",
       "operatingsystemrelease": [
-        "37",
-        "38"
+        "39",
+        "40"
       ]
     },
     {