Merge remote-tracking branch 'github/pr/35'
diff --git a/CHANGELOG b/CHANGELOG
index 2aaa819..3d717dc 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -12,6 +12,8 @@
           on the classpath. This is particularly relevant for GWT based projects that include artifacts with
           source embedded in the artifacts. This change also made it possible to remove an ugly hack in the
           GWT addon that removed the gwt artifacts from the javadoc path.
+* Change: Drop deprecated Gem::Specification#has_rdoc= (no replacement) method. Submitted by Olle Jonsson.
+* Change: Use https protocol to access Gem metadata. Submitted by Olle Jonsson.
 
 1.5.6 (2018-05-10)
 * Fixed:  Ensure that the username and passwords declared for repositories are correctly url encoded for
diff --git a/Gemfile b/Gemfile
index a01bb93..35325ef 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
 # Use `bundle install` in order to install these gems
 # Use `bundle exec rake` in order to run the specs using the bundle
-source "http://rubygems.org"
+source "https://rubygems.org"
 gemspec
diff --git a/lib/buildr/packaging/gems.rb b/lib/buildr/packaging/gems.rb
index da7bd06..241fff1 100644
--- a/lib/buildr/packaging/gems.rb
+++ b/lib/buildr/packaging/gems.rb
@@ -65,7 +65,6 @@
           spec.name = id
           spec.version = version.gsub('-','.') # RubyGems doesn't like '-' in version numbers
           spec.summary = full_comment
-          spec.has_rdoc = true
           spec.rdoc_options << '--title' << comment
           spec.require_path = 'lib'
         end