diff --git a/annualgrantbudgets.php b/annualgrantbudgets.php
index 0f8c110..086dfd2 100644
--- a/annualgrantbudgets.php
+++ b/annualgrantbudgets.php
@@ -238,3 +238,9 @@ function annualgrantbudgets_civicrm_validateForm($formName, &$fields, &$files, &
     $errors = array_merge($errors, $budgetErrors);
   }
 }
+
+function annualgrantbudgets_civicrm_alterAPIPermissions($entity, $action, &$params, &$permissions) {
+  // Editing the budget should be possible with just "Access CiviGrant".
+  $permissions['grant_budget']['create'] = array('access CiviGrant');
+  $permissions['grant_budget']['update'] = array('access CiviGrant');
+}