Update composer.json

Author: prajapati-kaushik

composer.json

@@ -14,12 +14,12 @@
     "require": {
         "php": ">=5.3.0",
         "linkorb/userbase-role-contracts": "^1.0",
-        "symfony/security": "~2.6 || ~3.0 || ^4",
+        "symfony/security": "~2.6 || ~3.0 || ^4.0",
         "psr/cache": "~1.0",
-        "symfony/cache": "~3.0 || ^4"
+        "symfony/cache": "~3.0 || ^4.0"
     },
     "require-dev": {
-      "symfony/dotenv": "~3.0 || ^4"
+      "symfony/dotenv": "~3.0 || ^4.0"
     },
     "autoload": {
         "psr-4": {