diff --git a/CHANGELOG.md b/CHANGELOG.md
index b22d8dbf3..fe5871700 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# v1.5.10
+## mm/dd/2019
+
+1. [](#new)
+    * Added new `deferred` Twig extension
+
 # v1.5.9
 ## 03/20/2019
 
diff --git a/composer.json b/composer.json
index 720fea677..917208812 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,8 @@
         "league/climate": "^3.2",
         "antoligy/dom-string-iterators": "^1.0",
         "miljar/php-exif": "^0.6.3",
-        "composer/ca-bundle": "^1.0"
+        "composer/ca-bundle": "^1.0",
+        "phive/twig-extensions-deferred": "^1.0"
     },
     "require-dev": {
         "codeception/codeception": "^2.1",
diff --git a/composer.lock b/composer.lock
index 664a38335..5653657a5 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2ab76ae21295d87c6ff140947c160865",
+    "content-hash": "655f3e16c1c33d89e1baf6383b2efb26",
     "packages": [
         {
             "name": "antoligy/dom-string-iterators",
@@ -970,6 +970,49 @@
             ],
             "time": "2018-11-05T09:00:11+00:00"
         },
+        {
+            "name": "phive/twig-extensions-deferred",
+            "version": "v1.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/rybakit/twig-deferred-extension.git",
+                "reference": "5a2426d622afa74034e754ca5ea1d1ff7887627f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/rybakit/twig-deferred-extension/zipball/5a2426d622afa74034e754ca5ea1d1ff7887627f",
+                "reference": "5a2426d622afa74034e754ca5ea1d1ff7887627f",
+                "shasum": ""
+            },
+            "require": {
+                "twig/twig": "~1.18"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Phive\\Twig\\Extensions\\Deferred\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Eugene Leonovich",
+                    "email": "gen.work@gmail.com"
+                }
+            ],
+            "description": "An extension for Twig that allows to defer block rendering",
+            "homepage": "https://github.com/rybakit/twig-extensions-deferred",
+            "keywords": [
+                "defer",
+                "extension",
+                "lazy",
+                "twig"
+            ],
+            "time": "2017-03-17T21:39:21+00:00"
+        },
         {
             "name": "pimple/pimple",
             "version": "v3.2.3",
diff --git a/system/src/Grav/Common/Twig/Twig.php b/system/src/Grav/Common/Twig/Twig.php
index 567b18cef..7d7ef5067 100644
--- a/system/src/Grav/Common/Twig/Twig.php
+++ b/system/src/Grav/Common/Twig/Twig.php
@@ -16,6 +16,7 @@ use Grav\Common\Page\Page;
 use Grav\Common\Page\Pages;
 use RocketTheme\Toolbox\ResourceLocator\UniformResourceLocator;
 use RocketTheme\Toolbox\Event\Event;
+use Phive\Twig\Extensions\Deferred\DeferredExtension;
 
 class Twig
 {
@@ -181,6 +182,7 @@ class Twig
                 $this->twig->addExtension(new \Twig_Extension_Debug());
             }
             $this->twig->addExtension(new TwigExtension());
+            $this->twig->addExtension(new DeferredExtension());
 
             $this->grav->fireEvent('onTwigExtensions');