diff --git a/.rubocop.yml b/.rubocop.yml
index dc1f89c..3f13575 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -539,6 +539,9 @@ Layout/IndentHeredoc:
 Security/YAMLLoad:
   Enabled: false
 
+Security/MarshalLoad:
+  Enabled: false
+
 # This affects hiera interpolation, as well as some configs that we push.
 Style/FormatStringToken:
   Enabled: false
diff --git a/spec/unit/ldapquery_spec.rb b/spec/unit/ldapquery_spec.rb
index 091b181..78574c1 100644
--- a/spec/unit/ldapquery_spec.rb
+++ b/spec/unit/ldapquery_spec.rb
@@ -44,7 +44,7 @@ describe 'PuppetX::LDAPquery' do
         filter = '(uid=zach)'
         attributes = ['objectClass']
 
-        wanted = [{ 'dn' => ['uid=zach,ou=users,dc=puppetlabs,dc=com'], 'objectclass' => %w(posixAccount shadowAccount inetOrgPerson puppetPerson ldapPublicKey top) }]
+        wanted = [{ 'dn' => ['uid=zach,ou=users,dc=puppetlabs,dc=com'], 'objectclass' => %w[posixAccount shadowAccount inetOrgPerson puppetPerson ldapPublicKey top] }]
 
         entries = Marshal.load(File.read('spec/fixtures/entries_objectClass.obj'))