diff --git a/composer.lock b/composer.lock
index 63ecb59..b2bf940 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,9 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "dd70937bc4adca9188f7f45d1edd51a3",
-    "packages": [],
-    "packages-dev": [
+    "content-hash": "cc52403b7dbb41d1423d9d5e55c8e2a3",
+    "packages": [
         {
             "name": "composer/semver",
             "version": "1.5.0",
@@ -2820,28 +2819,28 @@
         },
         {
             "name": "symfony/var-exporter",
-            "version": "v4.3.5",
+            "version": "v4.4.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-exporter.git",
-                "reference": "d5b4e2d334c1d80e42876c7d489896cfd37562f2"
+                "reference": "1a76a943f2af334da13bc9f33f49392fa530eec9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/d5b4e2d334c1d80e42876c7d489896cfd37562f2",
-                "reference": "d5b4e2d334c1d80e42876c7d489896cfd37562f2",
+                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/1a76a943f2af334da13bc9f33f49392fa530eec9",
+                "reference": "1a76a943f2af334da13bc9f33f49392fa530eec9",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.1.3"
             },
             "require-dev": {
-                "symfony/var-dumper": "^4.1.1"
+                "symfony/var-dumper": "^4.1.1|^5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.3-dev"
+                    "dev-master": "4.4-dev"
                 }
             },
             "autoload": {
@@ -2876,7 +2875,7 @@
                 "instantiate",
                 "serialize"
             ],
-            "time": "2019-08-22T07:33:08+00:00"
+            "time": "2020-01-04T13:00:46+00:00"
         },
         {
             "name": "symfony/yaml",
@@ -3097,6 +3096,7 @@
             "time": "2019-09-17T20:48:03+00:00"
         }
     ],
+    "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": [],