diff --git a/app/Models/CustomFieldset.php b/app/Models/CustomFieldset.php
index c89d3dd312..d0aa33aa23 100644
--- a/app/Models/CustomFieldset.php
+++ b/app/Models/CustomFieldset.php
@@ -47,9 +47,7 @@ class CustomFieldset extends Model
 
             if (($field->field_encrypted!='1') ||
                   (($field->field_encrypted =='1')  && (Gate::allows('admin')) )) {
-                if ($field->pivot->required) {
-                    $rule[]="required";
-                }
+                    $rule[] = ($field->pivot->required=='1') ? "required" : "nullable";
             }
 
             array_push($rule, $field->attributes['format']);
diff --git a/config/version.php b/config/version.php
index e13062cac6..e1e60e5a10 100644
--- a/config/version.php
+++ b/config/version.php
@@ -1,7 +1,7 @@
 <?php
 return array (
-  'app_version' => 'v4.0.5',
-  'build_version' => '40',
-  'hash_version' => 'g42c2a66',
-  'full_hash' => 'v4.0.5-40-g42c2a66',
+  'app_version' => 'v4.0.6',
+  'build_version' => '47',
+  'hash_version' => 'g2e76620',
+  'full_hash' => 'v4.0.6-47-g2e76620',
 );