Gemfile in google_holiday_calendar-0.1.1 vs Gemfile in google_holiday_calendar-0.1.2

@@ -9,6 +9,30 @@
 
 if Gem::Version.create(RUBY_VERSION) < Gem::Version.create("2.1.0")
   group :test do
     gem "public_suffix", "< 3.0.0"
   end
+  
+  # NOTE: rexml v3.2.5+ requires Ruby 2.1.0+
+  # https://github.com/ruby/rexml/compare/v3.2.4...v3.2.5#diff-f8c7cdefc29090ed525a2be70411ce741d4124853cf6425db7d18a6ea3bb9bb3R515
+  gem "rexml", "< 3.2.5"
+end
+
+if Gem::Version.create(RUBY_VERSION) < Gem::Version.create("2.2.0")
+  # NOTE: rake v13.0.0+ requires Ruby 2.2.0+
+  gem "rake", "< 13.0.0"
+end
+
+if Gem::Version.create(RUBY_VERSION) < Gem::Version.create("2.2.0")
+  # NOTE: minitest v5.12.1+ requires Ruby 2.2.0+
+  gem "minitest", "< 5.12.1"
+end
+
+if Gem::Version.create(RUBY_VERSION) < Gem::Version.create("2.5.0")
+  # NOTE: docile 1.4.0+ requires Ruby 2.5.0+
+  gem "docile", "< 1.4.0"
+end
+
+if Gem::Version.create(RUBY_VERSION) < Gem::Version.create("2.3.0")
+  # NOTE: json v2.6.0+ requires Ruby 2.3.0+
+  gem "json", "< 2.6.0"
 end