diff --git a/public_cert.pem b/certs/sferik.pem
similarity index 100%
rename from public_cert.pem
rename to certs/sferik.pem
diff --git a/rails_admin.gemspec b/rails_admin.gemspec
index 6fb95e9c18..b548c9a959 100644
--- a/rails_admin.gemspec
+++ b/rails_admin.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'sass-rails', '~> 3.1'
   spec.add_development_dependency 'bundler', '~> 1.0'
   spec.authors = ["Erik Michaels-Ober", "Bogdan Gaza", "Petteri Kaapa", "Benoit Benezech"]
-  spec.cert_chain = ['public_cert.pem']
+  spec.cert_chain = ['certs/sferik.pem']
   spec.description = %q{RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data.}
   spec.email = ['sferik@gmail.com', 'bogdan@cadmio.org', 'petteri.kaapa@gmail.com']
   spec.files = Dir['Gemfile', 'LICENSE.md', 'README.md', 'Rakefile', 'app/**/*', 'config/**/*', 'lib/**/*', 'public/**/*']