diff --git a/spec/classes/barbican_db_postgresql_spec.rb b/spec/classes/barbican_db_postgresql_spec.rb
index 0d7bd354..2cdc542d 100644
--- a/spec/classes/barbican_db_postgresql_spec.rb
+++ b/spec/classes/barbican_db_postgresql_spec.rb
@@ -59,7 +59,10 @@ describe 'barbican::db::postgresql' do
         }))
       end
 
-      it_configures 'barbican::db::postgresql'
+      # TODO(tkajinam): Remove this once puppet-postgresql supports CentOS 9
+      unless facts[:osfamily] == 'RedHat' and facts[:operatingsystemmajrelease].to_i >= 9
+        it_configures 'barbican::db::postgresql'
+      end
     end
   end