diff --git a/composer.json b/composer.json
index 015f92fb..ba45b8a6 100644
--- a/composer.json
+++ b/composer.json
@@ -8,8 +8,7 @@
         "league/event": "~2.1",
         "zendframework/zend-diactoros": "~1.1",
         "namshi/jose": "^6.0",
-        "defuse/php-encryption": "^1.2"
-
+        "lcobucci/jwt": "^3.1"
     },
     "require-dev": {
         "phpunit/phpunit": "4.8.*",
@@ -51,9 +50,6 @@
         "lncd/oauth2": "*",
         "league/oauth2server": "*"
     },
-    "bin": [
-        "bin/generate-crypto-key"
-    ],
     "autoload": {
         "psr-4": {
             "League\\OAuth2\\Server\\": "src/"