diff --git a/docs/Aggregation/Pipeline/StatsBucket.md b/docs/Aggregation/Pipeline/StatsBucket.md
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+# Stats Aggregation
+
+> More info about stats bucket aggregation is in the [official elasticsearch docs][1]
+
+A sibling pipeline aggregation which calculates a variety of stats across all bucket of 
+a specified metric in a sibling aggregation. The specified metric must be numeric and the 
+sibling aggregation must be a multi-bucket aggregation.
+
+## Simple example
+
+```JSON
+{
+    "aggs" : {
+        "sales_per_month" : {
+            "date_histogram" : {
+                "field" : "date",
+                "interval" : "month"
+            },
+            "aggs": {
+                "sales": {
+                    "sum": {
+                        "field": "price"
+                    }
+                }
+            }
+        },
+        "stats_monthly_sales": {
+            "stats_bucket": {
+                "buckets_path": "sales_per_month>sales" 
+            }
+        }
+    }
+}
+```
+
+And now the query via DSL:
+
+```php
+$search = new Search();
+
+$dateAggregation = new DateHistogramAggregation('sales_per_month', 'date', 'month');
+$dateAggregation->addAggregation(
+    new SumAggregation('sales', 'price')
+);
+
+$search->addAggregation($dateAggregation);
+$search->addAggregation(
+    new StatsBucketAggregation('stats_monthly_sales', 'sales_per_month>sales')
+);
+
+$aggArray = $search->toArray();
+```
+
+[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-pipeline-stats-bucket-aggregation.html
\ No newline at end of file
diff --git a/src/Aggregation/Pipeline/StatsBucketAggregation.php b/src/Aggregation/Pipeline/StatsBucketAggregation.php
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+<?php
+
+/*
+ * This file is part of the ONGR package.
+ *
+ * (c) NFQ Technologies UAB <info@nfq.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace ONGR\ElasticsearchDSL\Aggregation\Pipeline;
+
+/**
+ * Class representing Stats Bucket Pipeline Aggregation.
+ *
+ * @link https://goo.gl/apQXaQ
+ */
+class StatsBucketAggregation extends AbstractPipelineAggregation
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getType()
+    {
+        return 'stats_bucket';
+    }
+}
diff --git a/tests/Aggregation/Pipeline/StatsBucketAggregationTest.php b/tests/Aggregation/Pipeline/StatsBucketAggregationTest.php
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+<?php
+
+/*
+ * This file is part of the ONGR package.
+ *
+ * (c) NFQ Technologies UAB <info@nfq.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace ONGR\ElasticsearchDSL\Tests\Aggregation\Pipeline;
+
+use ONGR\ElasticsearchDSL\Aggregation\Pipeline\StatsBucketAggregation;
+
+/**
+ * Unit test for stats bucket aggregation.
+ */
+class StatsBucketAggregationTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Tests toArray method.
+     */
+    public function testToArray()
+    {
+        $aggregation = new StatsBucketAggregation('acme', 'test');
+
+        $expected = [
+            'stats_bucket' => [
+                'buckets_path' => 'test',
+            ],
+        ];
+
+        $this->assertEquals($expected, $aggregation->toArray());
+    }
+}