Dockerfile in rest-ftp-daemon-1.1.0 vs Dockerfile in rest-ftp-daemon-1.1.1

@@ -18,10 +18,10 @@
 
 
 # Change to INSTALL_PATH and install base packages
 RUN mkdir -p                        $INSTALL_PATH
 WORKDIR                             $INSTALL_PATH
-ADD Gemfile Gemfile.lock            $INSTALL_PATH
+ADD Gemfile                         $INSTALL_PATH
 ADD rest-ftp-daemon.gemspec 	    	$INSTALL_PATH
 RUN bundle install --system --without="development test" -j4
 
 
 # Install app code