diff --git a/app/main.py b/app/main.py
index 3b619e2..b31c5ec 100644
--- a/app/main.py
+++ b/app/main.py
@@ -285,10 +285,10 @@ async def _client_token():
         },
         "service_instance_public_key_configuration": {
             "service_instance_public_key_me": {
-                "mod": hex(public_key.public_key().n)[2:],
-                "exp": int(public_key.public_key().e),
+                "mod": hex(public_key.raw().public_numbers().n)[2:],
+                "exp": int(public_key.raw().public_numbers().e),
             },
-            "service_instance_public_key_pem": public_key.export_key().decode('utf-8'),
+            "service_instance_public_key_pem": public_key.pem().decode('utf-8'),
             "key_retention_mode": "LATEST_ONLY"
         },
     }
diff --git a/app/orm.py b/app/orm.py
index da9d977..6c66b30 100644
--- a/app/orm.py
+++ b/app/orm.py
@@ -122,7 +122,6 @@ class Instance(Base):
         return PublicKey(self.public_key)
 
     def get_jwt_encode_key(self) -> "jose.jkw":
-
         return jwk.construct(self.__get_private_key().pem().decode('utf-8'), algorithm=ALGORITHMS.RS256)
 
     def get_jwt_decode_key(self) -> "jose.jwt":