diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5ef986bb..beaae6789 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@
     * Improved `Flex` to support custom site template paths
     * Changed Twig `{% cache %}` tag to not need unique key, and `lifetime` is now optional
     * Added mime support for file formatters
+    * Updated built-in `composer.phar` to latest `1.9.0`
+    * Updated vendor libraries
 1. [](#bugfix)
     * Fixed `Page::untranslatedLanguages()` not being symmetrical to `Page::translatedLanguages()`
     * Fixed `Flex Pages` not calling `onPageProcessed` event when cached
diff --git a/bin/composer.phar b/bin/composer.phar
index b8ce13f23..863dc9ad6 100755
Binary files a/bin/composer.phar and b/bin/composer.phar differ
diff --git a/composer.lock b/composer.lock
index 019971f72..d4fa80cb1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -701,16 +701,16 @@
         },
         {
             "name": "itsgoingd/clockwork",
-            "version": "v4.0.12",
+            "version": "v4.0.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/itsgoingd/clockwork.git",
-                "reference": "e6eb6ec9ea02b22e7484eea2e05f170bb7b6d8de"
+                "reference": "c6d5c55473648ed02ac4b5568ca7b99356b77adb"
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-                "url": "https://api.github.com/repos/itsgoingd/clockwork/zipball/e6eb6ec9ea02b22e7484eea2e05f170bb7b6d8de",
-                "reference": "e6eb6ec9ea02b22e7484eea2e05f170bb7b6d8de",
+                "url": "https://api.github.com/repos/itsgoingd/clockwork/zipball/c6d5c55473648ed02ac4b5568ca7b99356b77adb",
+                "reference": "c6d5c55473648ed02ac4b5568ca7b99356b77adb",
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             "require": {
@@ -755,10 +755,10 @@
                 "slim"
             ],
             "support": {
-                "source": "https://github.com/itsgoingd/clockwork/tree/v4.0.12",
+                "source": "https://github.com/itsgoingd/clockwork/tree/v4.0.13",
                 "issues": "https://github.com/itsgoingd/clockwork/issues"
             },
-            "time": "2019-10-13T20:21:40+00:00"
+            "time": "2019-10-20T23:00:09+00:00"
         },
         {
             "name": "kodus/psr7-server",
@@ -3163,27 +3163,28 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.3.3",
+            "version": "6.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "407b0cb880ace85c9b63c5f9551db498cb2d50ba"
+                "reference": "0895c932405407fd3a7368b6910c09a24d26db11"
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-                "reference": "407b0cb880ace85c9b63c5f9551db498cb2d50ba",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/0895c932405407fd3a7368b6910c09a24d26db11",
+                "reference": "0895c932405407fd3a7368b6910c09a24d26db11",
                 "shasum": ""
             },
             "require": {
+                "ext-json": "*",
                 "guzzlehttp/promises": "^1.0",
-                "guzzlehttp/psr7": "^1.4",
+                "guzzlehttp/psr7": "^1.6.1",
                 "php": ">=5.5"
             },
             "require-dev": {
                 "ext-curl": "*",
                 "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4 || ^7.0",
-                "psr/log": "^1.0"
+                "psr/log": "^1.1"
             },
             "suggest": {
                 "psr/log": "Required for using the Log middleware"
@@ -3195,12 +3196,12 @@
                 }
             },
             "autoload": {
-                "files": [
-                    "src/functions_include.php"
-                ],
                 "psr-4": {
                     "GuzzleHttp\\": "src/"
-                }
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -3224,7 +3225,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2018-04-22T15:46:56+00:00"
+            "time": "2019-10-23T15:58:00+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -3378,16 +3379,16 @@
         },
         {
             "name": "nette/bootstrap",
-            "version": "v3.0.0",
+            "version": "v3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nette/bootstrap.git",
-                "reference": "e1075af05c211915e03e0c86542f3ba5433df4a3"
+                "reference": "b45a1e33b6a44beb307756522396551e5a9ff249"
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-                "url": "https://api.github.com/repos/nette/bootstrap/zipball/e1075af05c211915e03e0c86542f3ba5433df4a3",
-                "reference": "e1075af05c211915e03e0c86542f3ba5433df4a3",
+                "url": "https://api.github.com/repos/nette/bootstrap/zipball/b45a1e33b6a44beb307756522396551e5a9ff249",
+                "reference": "b45a1e33b6a44beb307756522396551e5a9ff249",
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             },
             "require": {
@@ -3395,6 +3396,9 @@
                 "nette/utils": "^3.0",
                 "php": ">=7.1"
             },
+            "conflict": {
+                "tracy/tracy": "<2.6"
+            },
             "require-dev": {
                 "latte/latte": "^2.2",
                 "nette/application": "^3.0",
@@ -3447,7 +3451,7 @@
                 "configurator",
                 "nette"
             ],
-            "time": "2019-03-26T12:59:07+00:00"
+            "time": "2019-09-30T08:19:38+00:00"
         },
         {
             "name": "nette/di",
@@ -3825,16 +3829,16 @@
         },
         {
             "name": "nette/utils",
-            "version": "v3.0.1",
+            "version": "v3.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nette/utils.git",
-                "reference": "bd961f49b211997202bda1d0fbc410905be370d4"
+                "reference": "c133e18c922dcf3ad07673077d92d92cef25a148"
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             "dist": {
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-                "url": "https://api.github.com/repos/nette/utils/zipball/bd961f49b211997202bda1d0fbc410905be370d4",
-                "reference": "bd961f49b211997202bda1d0fbc410905be370d4",
+                "url": "https://api.github.com/repos/nette/utils/zipball/c133e18c922dcf3ad07673077d92d92cef25a148",
+                "reference": "c133e18c922dcf3ad07673077d92d92cef25a148",
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             "require": {
@@ -3850,6 +3854,7 @@
                 "ext-intl": "to use Strings::webalize(), toAscii(), normalize() and compare()",
                 "ext-json": "to use Nette\\Utils\\Json",
                 "ext-mbstring": "to use Strings::lower() etc...",
+                "ext-tokenizer": "to use Nette\\Utils\\Reflection::getUseStatements()",
                 "ext-xml": "to use Strings::length() etc. when mbstring is not available"
             },
             "type": "library",
@@ -3897,7 +3902,7 @@
                 "utility",
                 "validation"
             ],
-            "time": "2019-03-22T01:00:30+00:00"
+            "time": "2019-10-21T20:40:16+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -4364,16 +4369,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.11.16",
+            "version": "0.11.19",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "635cf20f3b92ce34ee94a8d2f282d62eb9dc6e1b"
+                "reference": "63cc502f6957b7f74efbac444b4cf219dcadffd7"
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-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/635cf20f3b92ce34ee94a8d2f282d62eb9dc6e1b",
-                "reference": "635cf20f3b92ce34ee94a8d2f282d62eb9dc6e1b",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/63cc502f6957b7f74efbac444b4cf219dcadffd7",
+                "reference": "63cc502f6957b7f74efbac444b4cf219dcadffd7",
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             "require": {
@@ -4381,6 +4386,7 @@
                 "jean85/pretty-package-versions": "^1.0.3",
                 "nette/bootstrap": "^2.4 || ^3.0",
                 "nette/di": "^2.4.7 || ^3.0",
+                "nette/neon": "^2.4.3 || ^3.0",
                 "nette/robot-loader": "^3.0.1",
                 "nette/schema": "^1.0",
                 "nette/utils": "^2.4.5 || ^3.0",
@@ -4434,7 +4440,7 @@
                 "MIT"
             ],
             "description": "PHPStan - PHP Static Analysis Tool",
-            "time": "2019-09-17T11:19:51+00:00"
+            "time": "2019-10-22T20:20:22+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",