use safe versions

Author: dbu

composer.json

@@ -11,20 +11,20 @@
     "require": {
         "php": "^7.1",
         "doctrine/data-fixtures": "^1.2",
-        "symfony/browser-kit": "^3.4.22 || ^4.1 || ^5.0",
+        "symfony/browser-kit": "^3.4.26 || ^4.3.8 || ^5.0",
         "symfony/debug": "^3.4.22 || ^4.1 || ^5.0"
     },
     "require-dev": {
         "doctrine/doctrine-bundle": "^1.8 || ^2.0",
         "doctrine/phpcr-bundle": "^1.3 || ^2.0.0",
-        "symfony/console": "^3.4.22 || ^4.1 || ^5.0",
-        "symfony/dependency-injection": "^3.4.22 || ^4.1 || ^5.0",
-        "symfony/doctrine-bridge": "^3.4.22 || ^4.1 || ^5.0",
-        "symfony/framework-bundle": "^3.4.22 || ^4.1 || ^5.0",
-        "symfony/http-kernel": "^3.4.22 || ^4.1 || ^5.0",
+        "symfony/console": "^3.4.26 || ^4.3.8 || ^5.0",
+        "symfony/dependency-injection": "^3.4.26 || ^4.3.8 || ^5.0",
+        "symfony/doctrine-bridge": "^3.4.26 || ^4.3.8 || ^5.0",
+        "symfony/framework-bundle": "^3.4.26 || ^4.3.8 || ^5.0",
+        "symfony/http-kernel": "^3.4.26 || ^4.3.8 || ^5.0",
         "symfony/monolog-bundle": "^3.5",
-        "symfony/security-bundle": "^3.4.22 || ^4.1 || ^5.0",
-        "symfony/twig-bundle": "^3.4.22 || ^4.1 || ^5.0",
+        "symfony/security-bundle": "^3.4.26 || ^4.3.8 || ^5.0",
+        "symfony/twig-bundle": "^3.4.26 || ^4.3.8 || ^5.0",
         "symfony/phpunit-bridge": "^4.2.2"
     },
     "autoload": {