diff --git a/composer.json b/composer.json
index 7fa411d4..4b19f7c1 100644
--- a/composer.json
+++ b/composer.json
@@ -4,20 +4,20 @@
     "type": "project",
     "require": {
         "php": "^7.3 || ^8.0",
-        "symfony/console": "^2.8|^3|^4.1",
+        "symfony/console": "6.2.8",
         "psr/log": "^1.0",
-        "symfony/event-dispatcher": "^2.8|^3|^4.1",
-        "symfony/http-kernel": "^2.8|^3|^4.1",
-        "symfony/dependency-injection": "^2.8|^3|^4.1",
-        "symfony/config": "^2.8|^3|^4.1",
-        "symfony/yaml": "^2.8|^3|^4.1",
+        "symfony/event-dispatcher": "6.2.8",
+        "symfony/http-kernel": "6.2.8",
+        "symfony/dependency-injection": "6.2.8",
+        "symfony/config": "6.2.7",
+        "symfony/yaml": "6.2.7",
         "composer/semver": "^1.4||^3.2",
-        "symfony/process": "^2.8|^3|^4.1",
-        "symfony/flex": "^1.1",
-        "symfony/dotenv": "^2.8|^3|^4.1",
+        "symfony/process": "6.2.8",
+        "symfony/flex": "^2.0",
+        "symfony/dotenv": "6.2.8",
         "ext-json": "*",
         "stecman/symfony-console-completion": "^0.11.0",
-        "symfony/finder": "^4.1",
+        "symfony/finder": "^6.0",
         "thibaud-dauce/mattermost-php": "^1.2",
         "twig/twig": "^3.0",
         "ext-openssl": "*",
@@ -30,7 +30,7 @@
         "consolidation/self-update": "^2.0"
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "^2.8|^3|^4.1",
+        "symfony/phpunit-bridge": "6.2.7",
         "phpunit/phpunit": "^9.3",
         "php-parallel-lint/php-parallel-lint": "^1.2",
         "squizlabs/php_codesniffer": "^3.5",