diff --git a/composer.json b/composer.json
index 22122db..ffebaf4 100644
--- a/composer.json
+++ b/composer.json
@@ -11,11 +11,11 @@
     ],
     "minimum-stability": "stable",
     "require": {
-        "php": "^7.1",
-        "symfony/config": "^4.0",
-        "symfony/dependency-injection": "^4.0",
-        "symfony/http-kernel": "^4.0",
-        "symfony/security-bundle": "^4.0",
+        "php": "^7.2.5",
+        "symfony/config": "^5.0",
+        "symfony/dependency-injection": "^5.0",
+        "symfony/http-kernel": "^5.0",
+        "symfony/security-bundle": "^5.0",
         "guzzlehttp/guzzle": "^6.3",
         "ext-json": "*"
     },