diff --git a/.travis.yml b/.travis.yml
index 4a7ff2b..cd3ddd0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 language: php
 
 php: 
-  - 5.3
   - 5.4
   - 5.5
 
diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index 727215e..69f5592 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,2 +1,3 @@
-### 1.0.1
-*   `Collection::toDictionary` is now obsolete. Use `Collection::groupBy`.
\ No newline at end of file
+### 1.1.0
+*   `Collection::toDictionary` is now obsolete. Use `Collection::groupBy`.
+*   Laravel 4.2 is required
\ No newline at end of file
diff --git a/composer.json b/composer.json
index eee4ff2..011cbef 100644
--- a/composer.json
+++ b/composer.json
@@ -12,9 +12,9 @@
     ],
 
     "require": {
-        "php": ">=5.3.0",
-        "illuminate/support": "~4.1.18",
-        "illuminate/database": "~4.1.18"
+        "php": ">=5.4.0",
+        "illuminate/support": "~4.2.1",
+        "illuminate/database": "~4.2.1"
     },
 
     "require-dev": {
diff --git a/src/Kalnoy/Nestedset/Node.php b/src/Kalnoy/Nestedset/Node.php
index 04b4c24..235c5fb 100644
--- a/src/Kalnoy/Nestedset/Node.php
+++ b/src/Kalnoy/Nestedset/Node.php
@@ -1,4 +1,6 @@
-<?php namespace Kalnoy\Nestedset;
+<?php
+
+namespace Kalnoy\Nestedset;
 
 use \Illuminate\Database\Eloquent\Model as Eloquent;
 use \Illuminate\Database\Query\Builder;
@@ -41,6 +43,27 @@ class Node extends Eloquent {
      */
     const AFTER = 'after';
 
+    /**
+     * Whether model uses soft delete.
+     * 
+     * @var bool
+     * 
+     * @since 1.1
+     */
+    static protected $softDelete;
+
+    /**
+     * {@inheritdoc}
+     */
+    protected static function boot()
+    {
+        parent::boot();
+
+        $instance = new static;
+
+        static::$softDelete = method_exists($instance, 'withTrashed');
+    }
+
     /**
      * Get the root node.
      *
@@ -300,7 +323,7 @@ protected function beforeOrAfter(Node $node, $dir)
      */
     protected function checkTarget(Node $node)
     {
-        if (!$node->exists || $node->isDirty(static::LFT)) 
+        if ( ! $node->exists || $node->isDirty(static::LFT)) 
         {
             throw new Exception("Target node is updated but not saved.");
         }
@@ -361,19 +384,19 @@ public function fireModelEvent($event, $halt = true)
         {
             if ($this->exists) 
             {
-                if ($this->isDirty(static::LFT) && !$this->updateTree())
+                if ($this->isDirty(static::LFT) && ! $this->updateTree())
                 {
                     return false;
                 }
             }
             else
             {
-                if (!isset($this->attributes[static::LFT]))
+                if ( ! isset($this->attributes[static::LFT]))
                 {
                     throw new Exception("Cannot save node until it is inserted.");
                 }
 
-                if (!$this->updateTree()) return false;
+                if ( ! $this->updateTree()) return false;
             }
         }
 
@@ -382,7 +405,7 @@ public function fireModelEvent($event, $halt = true)
             throw new Exception("Cannot delete root node.");
         }
 
-        if ($event === 'deleted' && !$this->softDelete) $this->deleteNode();
+        if ($event === 'deleted' && ! static::$softDelete) $this->deleteNode();
 
         return parent::fireModelEvent($event, $halt);
     }
@@ -591,6 +614,16 @@ protected function newBaseQueryBuilder()
         return new QueryBuilder($conn, $grammar, $conn->getPostProcessor(), $this);
     }
 
+    /**
+     * Get a new query including deleted nodes.
+     * 
+     * @since 1.1
+     */
+    protected function newQueryWithDeleted()
+    {
+        return static::$softDelete ? $this->withTrashed() : $this->newQuery();
+    }
+
     /**
      * Create a new NestedSet Collection instance.
      *
@@ -610,7 +643,7 @@ public function newCollection(array $models = array())
      */
     public function getNodeHeight()
     {
-        if (!$this->exists) return 2;
+        if ( ! $this->exists) return 2;
 
         return $this->attributes[static::RGT] - $this->attributes[static::LFT] + 1;
     }
@@ -635,7 +668,7 @@ public function getDescendantCount()
      */
     public function setParentIdAttribute($value)
     {
-        if (!isset($this->attributes[static::PARENT_ID]) || $this->attributes[static::PARENT_ID] != $value) 
+        if ( ! isset($this->attributes[static::PARENT_ID]) || $this->attributes[static::PARENT_ID] != $value) 
         {
             $this->appendTo(static::findOrFail($value));
         }
diff --git a/tests/NodeTest.php b/tests/NodeTest.php
index 70a90d0..b9f6714 100644
--- a/tests/NodeTest.php
+++ b/tests/NodeTest.php
@@ -48,7 +48,7 @@ public function assertTreeNotBroken($table = 'categories')
         // Check if lft and rgt values are unique
         $checks[] = "from $table c1, $table c2 where c1.id <> c2.id and ".
             "(c1._lft=c2._lft or c1._rgt=c2._rgt or c1._lft=c2._rgt or c1._rgt=c2._lft)";
-        
+
         // Check if parent_id is set correctly
         $checks[] = "from $table c, $table p, $table m where c.parent_id=p.id and m.id <> p.id and m.id <> c.id and ".
              "(c._lft not between p._lft and p._rgt or c._lft between m._lft and m._rgt and m._lft between p._lft and p._rgt)";