diff --git a/config/packages/league_oauth2_server.yaml b/config/packages/league_oauth2_server.yaml
index 36d0298ef6678157d5619d511ac5e6a401ff7d4f..00f08ecf2c90673a0ff9147837a0eacc69c8c44b 100644
--- a/config/packages/league_oauth2_server.yaml
+++ b/config/packages/league_oauth2_server.yaml
@@ -3,14 +3,14 @@ league_oauth2_server:
 
         # Full path to the private key file.
         # How to generate a private key: https://oauth2.thephpleague.com/installation/#generating-public-and-private-keys
-        private_key: '%kernel.project_dir%/var/keys/private.key'
+        private_key: '%env(resolve:OAUTH_PRIVATE_KEY)%'
 
         # Passphrase of the private key, if any
-        private_key_passphrase: null
+        private_key_passphrase: '%env(OAUTH_PASSPHRASE)%'
 
         # The plain string or the ascii safe string used to create a Defuse\Crypto\Key to be used as an encryption key.
         # How to generate an encryption key: https://oauth2.thephpleague.com/installation/#string-password
-        encryption_key:       jecomprendspas
+        encryption_key:       '%env(OAUTH_ENCRYPTION_KEY)%'
 
         # The type of value of 'encryption_key'
         encryption_key_type:  plain # One of "plain"; "defuse"
@@ -49,7 +49,7 @@ league_oauth2_server:
 
         # Full path to the public key file
         # How to generate a public key: https://oauth2.thephpleague.com/installation/#generating-public-and-private-keys
-        public_key: '%kernel.project_dir%/var/keys/public.key'
+        public_key: '%env(resolve:OAUTH_PUBLIC_KEY)%'
 
     scopes:
         # Scopes that you wish to utilize in your application.