Gemfile in activestorage-validator-0.1.3 vs Gemfile in activestorage-validator-0.1.4

@@ -3,7 +3,12 @@
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in activestorage-validator.gemspec
 gemspec
 
-gem 'sqlite3'
-gem 'rails', '5.2.3'
+local_gemfile = "Gemfile.local"
+
+if File.exist?(local_gemfile)
+  eval_gemfile(local_gemfile) # rubocop:disable Security/Eval
+else
+  gem 'sqlite3'
+end