diff --git a/manifests/keystone/authtoken.pp b/manifests/keystone/authtoken.pp
index a444dc6..24f7a41 100644
--- a/manifests/keystone/authtoken.pp
+++ b/manifests/keystone/authtoken.pp
@@ -160,6 +160,16 @@
 #   (in seconds). Set to -1 to disable caching completely. Integer value
 #   Defaults to $::os_service_default.
 #
+# [*service_token_roles*]
+#   (Optional) A choice of roles that must be present in a service token.
+#   Service tokens are allowed to request that an expired token
+#   can be used and so this check should tightly control that
+#   only actual services should be sending this token. Roles
+#   here are applied as an ANY check so any role in this list
+#   must be present. For backwards compatibility reasons this
+#   currently only affects the allow_expired check. (list value)
+#   Defaults to $::os_service_default.
+#
 # [*service_token_roles_required*]
 #   (optional) backwards compatibility to ensure that the service tokens are
 #   compared against a list of possible roles for validity
@@ -204,6 +214,7 @@ class magnum::keystone::authtoken(
   $manage_memcache_package        = false,
   $region_name                    = $::os_service_default,
   $token_cache_time               = $::os_service_default,
+  $service_token_roles            = $::os_service_default,
   $service_token_roles_required   = $::os_service_default,
   $interface                      = $::os_service_default,
 ) {
@@ -247,6 +258,7 @@ class magnum::keystone::authtoken(
     manage_memcache_package        => $manage_memcache_package,
     region_name                    => $region_name,
     token_cache_time               => $token_cache_time,
+    service_token_roles            => $service_token_roles,
     service_token_roles_required   => $service_token_roles_required,
     interface                      => $interface,
   }
diff --git a/releasenotes/notes/add-service_token_roles-option-aee79eff505734d9.yaml b/releasenotes/notes/add-service_token_roles-option-aee79eff505734d9.yaml
new file mode 100644
index 0000000..ad0f161
--- /dev/null
+++ b/releasenotes/notes/add-service_token_roles-option-aee79eff505734d9.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Add support to configure service_token_roles in authtoken middleware.
diff --git a/spec/classes/magnum_keystone_authtoken_spec.rb b/spec/classes/magnum_keystone_authtoken_spec.rb
index e40228d..334dcea 100755
--- a/spec/classes/magnum_keystone_authtoken_spec.rb
+++ b/spec/classes/magnum_keystone_authtoken_spec.rb
@@ -46,6 +46,7 @@ describe 'magnum::keystone::authtoken' do
         is_expected.to contain_magnum_config('keystone_authtoken/memcached_servers').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_magnum_config('keystone_authtoken/region_name').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_magnum_config('keystone_authtoken/token_cache_time').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_magnum_config('keystone_authtoken/service_token_roles').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_magnum_config('keystone_authtoken/service_token_roles_required').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_magnum_config('keystone_authtoken/interface').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_magnum_config('keystone_auth/insecure').with_value('<SERVICE DEFAULT>')
@@ -90,6 +91,7 @@ describe 'magnum::keystone::authtoken' do
           :manage_memcache_package              => true,
           :region_name                          => 'region2',
           :token_cache_time                     => '301',
+          :service_token_roles                  => ['service'],
           :service_token_roles_required         => false,
           :interface                            => 'internal',
         })
@@ -127,6 +129,7 @@ describe 'magnum::keystone::authtoken' do
         is_expected.to contain_magnum_config('keystone_authtoken/memcached_servers').with_value('memcached01:11211,memcached02:11211')
         is_expected.to contain_magnum_config('keystone_authtoken/region_name').with_value(params[:region_name])
         is_expected.to contain_magnum_config('keystone_authtoken/token_cache_time').with_value(params[:token_cache_time])
+        is_expected.to contain_magnum_config('keystone_authtoken/service_token_roles').with_value(params[:service_token_roles])
         is_expected.to contain_magnum_config('keystone_authtoken/service_token_roles_required').with_value(params[:service_token_roles_required])
         is_expected.to contain_magnum_config('keystone_authtoken/interface').with_value(params[:interface])
         is_expected.to contain_magnum_config('keystone_auth/insecure').with_value(params[:insecure])