diff --git a/app/controllers/creatures_controller.rb b/app/controllers/creatures_controller.rb
index 3d9d0b0..11bc911 100644
--- a/app/controllers/creatures_controller.rb
+++ b/app/controllers/creatures_controller.rb
@@ -14,14 +14,22 @@ class CreaturesController < ApplicationController
   end
 
   def create
-    @creature = Creature.new(create_params)
+    @creature = Creature.new(create_or_update_params)
     @creature.health_points = rand(3..30)
     @creature.save!
     render json: @creature.as_json(only: SHOWABLE_ATTRIBUTES)
   end
 
+  def update
+    @creature = Creature.find(params[:id])
+    @creature.update!(create_or_update_params)
+    render json: @creature.as_json(only: SHOWABLE_ATTRIBUTES)
+  rescue ActiveRecord::RecordNotFound
+    render json: {}, status: 404
+  end
+
   private
-  def create_params
+  def create_or_update_params
     params.require(:creature).permit(:name)
   end
 end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index e1393fc..7162598 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -6,6 +6,7 @@ Rails.application.routes.draw do
   get '/creatures', to: 'creatures#index'
   get '/creatures/:id', to: 'creatures#show'
   post '/creatures', to: 'creatures#create'
+  put '/creatures/:id', to: 'creatures#update'
 
   # Defines the root path route ("/")
   root 'home#welcome'