diff --git a/.idea/runConfigurations/run_flask.xml b/.idea/runConfigurations/prod.xml
similarity index 91%
rename from .idea/runConfigurations/run_flask.xml
rename to .idea/runConfigurations/prod.xml
index a568b52..aa74ee6 100644
--- a/.idea/runConfigurations/run_flask.xml
+++ b/.idea/runConfigurations/prod.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="run-flask" type="PythonConfigurationType" factoryName="Python">
+  <configuration default="false" name="prod" type="PythonConfigurationType" factoryName="Python">
     <module name="hashtop-wrangler" />
     <option name="INTERPRETER_OPTIONS" value="" />
     <option name="PARENT_ENVS" value="true" />
diff --git a/app/main/apis/miner.py b/app/main/apis/miner.py
index 20be215..d0e1eb0 100644
--- a/app/main/apis/miner.py
+++ b/app/main/apis/miner.py
@@ -6,6 +6,7 @@
 from ..util.dto import MinerDto
 from ..service.miner_service import (
     create_new_miner,
+    update_miner,
     get_all_miners,
     get_miner,
     get_healths_by_miner,
@@ -21,6 +22,7 @@
 
 api = MinerDto.namespace
 _miner = MinerDto.miner
+_miner_with_gpus = MinerDto.miner_with_gpus
 _health = MinerDto.health
 _health_aggregate = MinerDto.health_aggregate
 _share = MinerDto.share
@@ -31,24 +33,25 @@
 @api.route('/')
 @api.response(201, 'Miner successfully created.')
 @api.doc('create a new miner')
-@api.expect(_miner, validate=True)
 class Miner(Resource):
     # TODO: remove before full prod deploy
     # @token_required
+    @api.expect(_miner, validate=True)
     def post(self):
         """Creates a new Miner """
         data = request.json
         return create_new_miner(data)
 
+    @api.expect(_miner_with_gpus, validate=True)
     def put(self):
         """Updates a User's miner """
-        miner_id = request.json.get('miner_id')
+        miner_id = request.json.get('id')
         miner = get_miner(miner_id)
         if not miner:
-            api.abort(404)
+            api.abort(404, error="no miner exists for the specified id")
         else:
             data = request.json
-            return update(miner, data)
+            return update_miner(miner, data)
 
 
 @api.route('/<user_id>/')
diff --git a/app/main/service/__init__.py b/app/main/service/__init__.py
index 6847fb3..0df3aa1 100644
--- a/app/main/service/__init__.py
+++ b/app/main/service/__init__.py
@@ -34,8 +34,12 @@ def delete(obj):
 
 def save_changes(data):
     try:
-        db.session.add(data)
+        if isinstance(data, list):
+            db.session.add_all(data)
+        else:
+            db.session.add(data)
         db.session.commit()
     except exc.SQLAlchemyError as e:
         logger.error(e)
         return Response(response="Operation failed, check logs", status=500, mimetype='text/plain')
+
diff --git a/app/main/service/miner_service.py b/app/main/service/miner_service.py
index 6a57e85..deb2dcd 100644
--- a/app/main/service/miner_service.py
+++ b/app/main/service/miner_service.py
@@ -34,6 +34,43 @@ def create_new_miner(data):
         return response_object, 409
 
 
+def update_miner(miner, data):
+    if data.get('name'):
+        miner.name = data.get('name')
+
+    if data.get('user_id'):
+        miner.user_id = data.get('user_id')
+
+    updated_gpus = {
+        g.get('gpu_no'):
+            {
+                'gpu_no': g.get('gpu_no'),
+                'gpu_name': g.get('gpu_name'),
+                'miner_id': miner.id
+            } for g in data.get('gpus')}
+
+    new_gpus = []
+    for gpu_no, gpu in updated_gpus.items():
+        existing = db.session.query(Gpu).filter_by(gpu_no=gpu_no, miner_id=miner.id).first()
+        if existing:
+            for attr, val in gpu.items():
+                setattr(existing, attr, val)
+        else:
+            new_gpus.append(gpu)
+
+    save_error = save_changes(miner)
+    if save_error: return save_error
+
+    save_error = save_changes(new_gpus)
+    if save_error: return save_error
+
+    response_object = {
+        'status': 'success',
+        'message': 'Successfully updated.'
+    }
+    return response_object, 200
+
+
 def get_all_miners(user):
     return db.session.query(Miner).filter_by(user=user).all()
 
diff --git a/app/main/util/dto.py b/app/main/util/dto.py
index 97f530e..dc6c828 100644
--- a/app/main/util/dto.py
+++ b/app/main/util/dto.py
@@ -37,8 +37,20 @@ class MinerDto:
 
     miner = namespace.model('miner', {
         'id': fields.String(required=False, description="the miners UUID"),
+        'name': fields.String(required=True, description="name of the miner set by the user"),
+        'user_id': fields.String(required=False, description="user id of the user that the miner belongs to"),
+    })
+
+    gpu = namespace.model('gpu', {
+        'gpu_no': fields.Integer(required=True, description="index of the gpu in the miner"),
+        'gpu_name': fields.String(required=True, description="the brand and name of the gpu"),
+    })
+
+    miner_with_gpus = namespace.model('miner_update', {
+        'id': fields.String(required=True, description="the miners UUID"),
         'name': fields.String(required=False, description="name of the miner set by the user"),
         'user_id': fields.String(required=False, description="user id of the user that the miner belongs to"),
+        'gpus': fields.List(fields.Nested(gpu), required=False, description="an array of gpu objects")
     })
 
     share = namespace.model('share', {