diff --git a/composer.json b/composer.json
index 591de77..c40a1c0 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "graze/guzzle-jsonrpc": "3.2.*",
         "guzzlehttp/guzzle": "^6.3",
         "lexik/jwt-authentication-bundle": "^2.5",
-        "ramsey/uuid": "^3.7",
+        "ramsey/uuid": "^4.3",
         "symfony/expression-language": "3.4.*",
         "symfony/finder": "3.4.*",
         "symfony/http-foundation": "3.4.*",