diff --git a/composer.json b/composer.json
index 3565238..eac4570 100644
--- a/composer.json
+++ b/composer.json
@@ -2,8 +2,8 @@
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     "description": "Proxy container for chirripo",
     "require": {
-        "symfony/console": "^3.4",
-        "symfony/process": "^3.4"
+        "symfony/console": "^4.4",
+        "symfony/process": "^4.4"
     },
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diff --git a/composer.lock b/composer.lock
index fe8278f..f6be42d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,34 +4,29 @@
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+    "content-hash": "07205b7ac6719dc1ddba999ff4c0a34b",
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-            "version": "1.1.3",
+            "name": "psr/container",
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-                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc"
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+                "php": ">=7.4.0"
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@@ -41,51 +36,63 @@
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+                    "homepage": "https://www.php-fig.org/"
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-            "homepage": "https://github.com/php-fig/log",
+            "description": "Common Container Interface (PHP FIG PSR-11)",
+            "homepage": "https://github.com/php-fig/container",
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-                "log",
-                "psr",
-                "psr-3"
+                "PSR-11",
+                "container",
+                "container-interface",
+                "container-interop",
+                "psr"
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-            "time": "2020-03-23T09:12:05+00:00"
+            "support": {
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+                "source": "https://github.com/php-fig/container/tree/1.1.2"
+            },
+            "time": "2021-11-05T16:50:12+00:00"
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-            "version": "v3.4.40",
+            "version": "v4.4.43",
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-                "symfony/polyfill-mbstring": "~1.0"
+                "php": ">=7.1.3",
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+                "symfony/polyfill-php73": "^1.8",
+                "symfony/polyfill-php80": "^1.16",
+                "symfony/service-contracts": "^1.1|^2"
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+                "symfony/lock": "<4.4",
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-                "symfony/process": "~3.3|~4.0"
+                "psr/log": "^1|^2",
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@@ -94,11 +101,6 @@
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@@ -121,46 +123,57 @@
                     "homepage": "https://symfony.com/contributors"
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-            "description": "Symfony Console Component",
+            "description": "Eases the creation of beautiful and testable command line interfaces",
             "homepage": "https://symfony.com",
-            "time": "2020-03-27T17:07:22+00:00"
+            "support": {
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+                    "type": "github"
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+                    "type": "tidelift"
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+            "time": "2022-06-23T12:22:25+00:00"
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-            "version": "v4.4.8",
+            "name": "symfony/deprecation-contracts",
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-                "url": "https://github.com/symfony/debug.git",
-                "reference": "346636d2cae417992ecfd761979b2ab98b339a45"
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+                "php": ">=8.1"
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@@ -169,34 +182,54 @@
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-                    "email": "fabien@symfony.com"
+                    "name": "Nicolas Grekas",
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                     "name": "Symfony Community",
                     "homepage": "https://symfony.com/contributors"
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-            "description": "Symfony Debug Component",
+            "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
-            "time": "2020-03-27T16:54:36+00:00"
+            "support": {
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+            "version": "v1.26.0",
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+                "php": ">=7.1"
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@@ -204,15 +237,99 @@
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+                    "email": "p@tchwork.com"
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+                    "homepage": "https://symfony.com/contributors"
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+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
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+            "version": "v1.26.0",
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+                "url": "https://github.com/symfony/polyfill-php73.git",
+                "reference": "e440d35fa0286f77fb45b79a03fedbeda9307e85"
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@@ -229,40 +346,135 @@
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-            "description": "Symfony polyfill for the Mbstring extension",
+            "description": "Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions",
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-            "time": "2020-03-09T19:04:49+00:00"
+            "support": {
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+                    "type": "github"
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+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
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+            "time": "2022-05-24T11:49:31+00:00"
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-            "version": "v3.4.40",
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+            "license": [
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+            "authors": [
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+                    "email": "ion.bazan@gmail.com"
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+                    "email": "p@tchwork.com"
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+                    "homepage": "https://symfony.com/contributors"
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+                    "type": "github"
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+                {
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+            "time": "2022-05-10T07:21:04+00:00"
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+            "version": "v4.4.41",
+            "source": {
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+                "url": "https://github.com/symfony/process.git",
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@@ -285,9 +497,109 @@
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-            "description": "Symfony Process Component",
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             "homepage": "https://symfony.com",
-            "time": "2020-04-12T14:33:46+00:00"
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+            "version": "v2.5.2",
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+                }
+            ],
+            "description": "Generic abstractions related to writing services",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/service-contracts/tree/v2.5.2"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-05-30T19:17:29+00:00"
         }
     ],
     "packages-dev": [],
@@ -297,5 +609,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.3.0"
 }
diff --git a/src/App/Commands/docker-compose.yml b/src/App/Commands/docker-compose.yml
index 64a4346..7506ea5 100644
--- a/src/App/Commands/docker-compose.yml
+++ b/src/App/Commands/docker-compose.yml
@@ -2,7 +2,7 @@ version: "3.6"
 
 services:
   proxy:
-    image: "traefik:v2.2"
+    image: "traefik:v2.8.1"
     container_name: "chirripo_proxy"
     command:
       - --entrypoints.web.address=:${CHIRRIPO_PROXY_PORT}
@@ -20,4 +20,4 @@ services:
 
 networks:
   chirripo_proxy:
-    external: true
\ No newline at end of file
+    external: true