diff --git a/composer.json b/composer.json
index a1169db0ae38187f35b28ae0acfe52a22ba32fab..50ebedcaa47fe227c9b8d307d3169e079466dde4 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,10 @@
         "elasticsearch/elasticsearch": "^6.0",
         "phpunit/phpunit": "^6.0",
         "squizlabs/php_codesniffer": "^3.0",
-        "satooshi/php-coveralls": "^2.0"
+        "satooshi/php-coveralls": "~1.0|~2.0"
+    },
+    "suggest": {
+      "elasticsearch/elasticsearch": "This library is for elasticsearch/elasticsearch client to enhance it with DSL functionality."
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Aggregation/Bucketing/DateRangeAggregation.php b/src/Aggregation/Bucketing/DateRangeAggregation.php
index 9b68dcb4a767a77cb60917217656b5a3d56b941e..d02b3d727084b14abebe2511de0500d5c1e940e8 100644
--- a/src/Aggregation/Bucketing/DateRangeAggregation.php
+++ b/src/Aggregation/Bucketing/DateRangeAggregation.php
@@ -51,7 +51,8 @@ class DateRangeAggregation extends AbstractAggregation
         foreach ($ranges as $range) {
             $from = isset($range['from']) ? $range['from'] : null;
             $to = isset($range['to']) ? $range['to'] : null;
-            $this->addRange($from, $to);
+            $key = isset($range['key']) ? $range['key'] : null;
+            $this->addRange($from, $to, $key);
         }
     }
 
@@ -78,12 +79,13 @@ class DateRangeAggregation extends AbstractAggregation
      *
      * @throws \LogicException
      */
-    public function addRange($from = null, $to = null)
+    public function addRange($from = null, $to = null, $key = null)
     {
         $range = array_filter(
             [
                 'from' => $from,
                 'to' => $to,
+                'key' => $key,
             ]
         );