diff --git a/composer.lock b/composer.lock
index 49c3597..1bbd736 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2471,16 +2471,16 @@
         },
         {
             "name": "symfony/flex",
-            "version": "v1.4.6",
+            "version": "v1.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/flex.git",
-                "reference": "133e649fdf08aeb8741be1ba955ccbe5cd17c696"
+                "reference": "97d4d94bff1b6bd9e9c5750ddbe248185ecb588b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/flex/zipball/133e649fdf08aeb8741be1ba955ccbe5cd17c696",
-                "reference": "133e649fdf08aeb8741be1ba955ccbe5cd17c696",
+                "url": "https://api.github.com/repos/symfony/flex/zipball/97d4d94bff1b6bd9e9c5750ddbe248185ecb588b",
+                "reference": "97d4d94bff1b6bd9e9c5750ddbe248185ecb588b",
                 "shasum": ""
             },
             "require": {
@@ -2489,14 +2489,14 @@
             },
             "require-dev": {
                 "composer/composer": "^1.0.2",
-                "symfony/dotenv": "^3.4|^4.0",
-                "symfony/phpunit-bridge": "^3.4.19|^4.1.8",
-                "symfony/process": "^2.7|^3.0|^4.0"
+                "symfony/dotenv": "^3.4|^4.0|^5.0",
+                "symfony/phpunit-bridge": "^3.4.19|^4.1.8|^5.0",
+                "symfony/process": "^2.7|^3.0|^4.0|^5.0"
             },
             "type": "composer-plugin",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4-dev"
+                    "dev-master": "1.5-dev"
                 },
                 "class": "Symfony\\Flex\\Flex"
             },
@@ -2516,7 +2516,7 @@
                 }
             ],
             "description": "Composer plugin for Symfony",
-            "time": "2019-09-19T14:55:57+00:00"
+            "time": "2019-11-30T11:43:11+00:00"
         },
         {
             "name": "symfony/framework-bundle",