diff --git a/lib/kong/plugin.rb b/lib/kong/plugin.rb
index 2bac142..66fbb36 100644
--- a/lib/kong/plugin.rb
+++ b/lib/kong/plugin.rb
@@ -5,5 +5,27 @@ class Plugin
 
     ATTRIBUTE_NAMES = %w(id api_id name config enabled consumer_id).freeze
     API_END_POINT = '/plugins/'.freeze
+
+    # Create resource
+    def create
+      if attributes['config']
+        attributes['config'].each do |key, value|
+          attributes["config.#{key}"] = value
+        end
+        attributes.delete('config')
+      end
+      super
+    end
+
+    # update resource
+    def update
+      if attributes['config']
+        attributes['config'].each do |key, value|
+          attributes["config.#{key}"] = value
+        end
+        attributes.delete('config')
+      end
+      super
+    end
   end
 end
diff --git a/spec/kong/plugin_spec.rb b/spec/kong/plugin_spec.rb
index fe02913..fe1d268 100644
--- a/spec/kong/plugin_spec.rb
+++ b/spec/kong/plugin_spec.rb
@@ -23,4 +23,24 @@
       expect(subject.api_end_point).to eq('/apis/:api_id/plugins/')
     end
   end
+
+  describe '#create' do
+    it 'transforms config keys to config.key format' do
+      headers = { 'Content-Type' => 'application/x-www-form-urlencoded' }
+      attributes = { 'api_id' => ':api_id', 'config.anonymous' => '12345' }
+      expect(Kong::Client.instance).to receive(:post).with('/apis/:api_id/plugins/', nil, attributes, headers).and_return(attributes)
+      subject = described_class.new({ api_id: ':api_id', config: { 'anonymous' => '12345' } })
+      subject.create
+    end
+  end
+
+  describe '#update' do
+    it 'transforms config keys to config.key format' do
+      headers = { 'Content-Type' => 'application/x-www-form-urlencoded' }
+      attributes = { 'api_id' => ':api_id', 'config.anonymous' => '12345' }
+      expect(Kong::Client.instance).to receive(:patch).with('/apis/:api_id/plugins/', nil, attributes, headers).and_return(attributes)
+      subject = described_class.new({ api_id: ':api_id', config: { 'anonymous' => '12345' } })
+      subject.update
+    end
+  end
 end