diff --git a/tide_site.install b/tide_site.install
index 8334805..8d6b78c 100644
--- a/tide_site.install
+++ b/tide_site.install
@@ -5,6 +5,8 @@
  * Install file for tide_site.
  */
 
+use Drupal\user\Entity\Role;
+
 /**
  * Implements hook_install().
  */
@@ -17,3 +19,20 @@ function tide_site_install() {
     }
   }
 }
+
+/**
+ * Approver should have permission to create/edit terms in sites.
+ */
+function tide_site_update_10000() {
+  $approver = Role::load('approver');
+  $permissions = [
+    'create terms in sites',
+    'edit terms in sites',
+  ];
+  if ($approver) {
+    foreach ($permissions as $permission) {
+      $approver->grantPermission($permission);
+    }
+    $approver->save();
+  }
+}