diff --git a/CHANGELOG.md b/CHANGELOG.md
index c738c9c28..e1e04fc43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,9 @@
 1. [](#new)
     * Added `Utils::getMimeByFilename()`, `Utils::getMimeByLocalFile()` and `Utils::checkFilename()` methods
     * Added configurable dangerous upload extensions in `security.yaml`
-
+1. [](#improved)
+    * Updated vendor libraries to latest
+    
 # v1.5.2
 ## 10/01/2018
 
diff --git a/composer.lock b/composer.lock
index ac8b42adc..e54c23bc9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1311,16 +1311,16 @@
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+            "version": "v3.4.17",
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                 "url": "https://github.com/symfony/console.git",
-                "reference": "1cbaac35024c9dfc9612b7e2310e82677bf85709"
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@@ -1376,20 +1376,20 @@
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             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2018-09-30T03:37:36+00:00"
+            "time": "2018-10-02T16:33:53+00:00"
         },
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             "name": "symfony/debug",
-            "version": "v3.4.16",
+            "version": "v3.4.17",
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                 "type": "git",
                 "url": "https://github.com/symfony/debug.git",
-                "reference": "b70cfaae39009ecde3164bb8cba4d029220d27b1"
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@@ -1432,11 +1432,11 @@
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             "homepage": "https://symfony.com",
-            "time": "2018-09-22T18:25:03+00:00"
+            "time": "2018-10-02T16:33:53+00:00"
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             "name": "symfony/event-dispatcher",
-            "version": "v3.4.16",
+            "version": "v3.4.17",
             "source": {
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                 "url": "https://github.com/symfony/event-dispatcher.git",
@@ -1675,16 +1675,16 @@
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v3.4.16",
+            "version": "v3.4.17",
             "source": {
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                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "e57a24dc13accad1d5f90d232c5564910c5eb7b0"
+                "reference": "ff8ac19e97e5c7c3979236b584719a1190f84181"
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-                "reference": "e57a24dc13accad1d5f90d232c5564910c5eb7b0",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/ff8ac19e97e5c7c3979236b584719a1190f84181",
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             "require": {
@@ -1740,20 +1740,20 @@
                 "debug",
                 "dump"
             ],
-            "time": "2018-09-18T08:05:59+00:00"
+            "time": "2018-10-02T16:33:53+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.4.16",
+            "version": "v3.4.17",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "61973ecda60e9f3561e929e19c07d4878b960fc1"
+                "reference": "640b6c27fed4066d64b64d5903a86043f4a4de7f"
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-                "reference": "61973ecda60e9f3561e929e19c07d4878b960fc1",
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             "require": {
@@ -1799,7 +1799,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2018-09-24T08:15:45+00:00"
+            "time": "2018-10-02T16:33:53+00:00"
         },
         {
             "name": "twig/twig",
@@ -3335,7 +3335,7 @@
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         {
             "name": "symfony/browser-kit",
-            "version": "v3.4.16",
+            "version": "v3.4.17",
             "source": {
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                 "url": "https://github.com/symfony/browser-kit.git",
@@ -3392,16 +3392,16 @@
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-            "version": "v3.4.16",
+            "version": "v3.4.17",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/css-selector.git",
-                "reference": "b2d6f39145261c082537264b7624f49847915711"
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@@ -3441,20 +3441,20 @@
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             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2018-09-08T13:15:14+00:00"
+            "time": "2018-10-02T16:33:53+00:00"
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             "name": "symfony/dom-crawler",
-            "version": "v3.4.16",
+            "version": "v3.4.17",
             "source": {
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                 "url": "https://github.com/symfony/dom-crawler.git",
-                "reference": "d844f826b15709e3e87a8cf9276899496edf12a5"
+                "reference": "c705bee03ade5b47c087807dd9ffaaec8dda2722"
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-                "reference": "d844f826b15709e3e87a8cf9276899496edf12a5",
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@@ -3498,20 +3498,20 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2018-09-21T12:47:54+00:00"
+            "time": "2018-10-02T12:28:39+00:00"
         },
         {
             "name": "symfony/finder",
-            "version": "v3.4.16",
+            "version": "v3.4.17",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "e8db87d755e14271e920e31ba834a4ae99483232"
+                "reference": "54ba444dddc5bd5708a34bd095ea67c6eb54644d"
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@@ -3547,20 +3547,20 @@
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             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2018-09-21T12:47:54+00:00"
+            "time": "2018-10-03T08:46:40+00:00"
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-            "version": "v3.4.16",
+            "version": "v3.4.17",
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                 "url": "https://github.com/symfony/process.git",
-                "reference": "8b87aca97f341d65dee430c60863f2442605c88b"
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@@ -3596,7 +3596,7 @@
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             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2018-09-08T13:15:14+00:00"
+            "time": "2018-10-02T12:28:39+00:00"
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         {
             "name": "victorjonsson/markdowndocs",