diff --git a/Query/QueryBuilder.php b/Query/QueryBuilder.php
index 719f9355..841d5a7e 100644
--- a/Query/QueryBuilder.php
+++ b/Query/QueryBuilder.php
@@ -257,7 +257,7 @@ public function expression($value)
 
         return $this;
     }
-
+    
     /**
      * {@inheritdoc}
      */
@@ -268,6 +268,15 @@ public function greaterThanEqual($value)
         return $this;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function greaterThan($value)
+    {
+        $this->criteria = $this->criteria->greaterThan($value);
+        return $this;
+    }
+    
     /**
      * {@inheritdoc}
      */
@@ -278,6 +287,15 @@ public function lessThanEqual($value)
         return $this;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function lessThan($value)
+    {
+        $this->criteria = $this->criteria->lessThan($value);
+        return $this;
+    }
+    
     /**
      * {@inheritdoc}
      */
@@ -311,4 +329,4 @@ public function getCriteria()
     {
         return $this->criteria;
     }
-}
\ No newline at end of file
+}
diff --git a/Query/QueryBuilderInterface.php b/Query/QueryBuilderInterface.php
index 41ff3d89..54d3dc32 100644
--- a/Query/QueryBuilderInterface.php
+++ b/Query/QueryBuilderInterface.php
@@ -161,6 +161,13 @@ public function getQuery();
      */
     public function greaterThanEqual($value);
 
+    /**
+     * @param string $value
+     *
+     * @return QueryBuilderInterface
+     */
+    public function greaterThan($value);
+    
     /**
      * @param string $value
      *
@@ -168,10 +175,17 @@ public function greaterThanEqual($value);
      */
     public function lessThanEqual($value);
 
+    /**
+     * @param string $value
+     *
+     * @return QueryBuilderInterface
+     */
+    public function lessThan($value);
+    
     /**
      * @param float $value
      *
      * @return QueryBuilderInterface
      */
     public function boost($value);
-}
\ No newline at end of file
+}