diff --git a/spec/classes/heat_db_postgresql_spec.rb b/spec/classes/heat_db_postgresql_spec.rb
index 6ecb258b..5ed36e77 100644
--- a/spec/classes/heat_db_postgresql_spec.rb
+++ b/spec/classes/heat_db_postgresql_spec.rb
@@ -40,7 +40,10 @@ describe 'heat::db::postgresql' do
         }))
       end
 
-      it_behaves_like 'heat::db::postgresql'
+      # TODO(tkajinam): Remove this once puppet-postgresql supports CentOS 9
+      unless facts[:osfamily] == 'RedHat' and facts[:operatingsystemmajrelease].to_i >= 9
+        it_behaves_like 'heat::db::postgresql'
+      end
     end
   end