diff --git a/composer.json b/composer.json
index 6fd932d..ecce769 100644
--- a/composer.json
+++ b/composer.json
@@ -16,24 +16,24 @@
     ],
     "require": {
         "php": "^7.4",
-        "symfony/framework-bundle": "^4.4 || ^5.0",
-        "symfony/form": "^4.4",
-        "symfony/twig-bundle": "^4.4",
-        "symfony/validator": "^4.4"
+        "symfony/framework-bundle": "^4.3 || ^5.0",
+        "symfony/form": "^4.3",
+        "symfony/twig-bundle": "^4.3",
+        "symfony/validator": "^4.3"
     },
     "require-dev": {
-        "symfony/browser-kit": "^4.4",
-        "symfony/css-selector": "^4.4",
-        "symfony/dom-crawler": "^4.4",
-        "symfony/finder": "^4.4",
+        "symfony/browser-kit": "^4.3",
+        "symfony/css-selector": "^4.3",
+        "symfony/dom-crawler": "^4.3",
+        "symfony/finder": "^4.3",
         "symfony/swiftmailer-bundle": "^3.4",
-        "symfony/phpunit-bridge": "^4.4",
-        "symfony/yaml": "^4.4",
-        "symfony/templating": "^4.4",
-        "symfony/translation": "^4.4",
-        "symfony/dependency-injection": "^4.4",
-        "symfony/config": "^4.4",
-        "symfony/routing": "^4.4"
+        "symfony/phpunit-bridge": "^4.3",
+        "symfony/yaml": "^4.3",
+        "symfony/templating": "^4.3",
+        "symfony/translation": "^4.3",
+        "symfony/dependency-injection": "^4.3",
+        "symfony/config": "^4.3",
+        "symfony/routing": "^4.3"
     },
     "suggest": {
         "symfony/swiftmailer-bundle": "If your want to use the (default) mail listener."