Gemfile.lock in html2rss-0.4.1 vs Gemfile.lock in html2rss-0.5.0

@@ -1,10 +1,11 @@
 PATH
   remote: .
   specs:
-    html2rss (0.4.1)
+    html2rss (0.5.0)
       activesupport (~> 5.0)
+      builder
       faraday (~> 0.15)
       faraday_middleware (~> 0.13)
       hashie (~> 3.6)
       nokogiri (>= 1.10, < 2.0)
       reverse_markdown (~> 1.3)
@@ -17,9 +18,10 @@
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     ast (2.4.0)
+    builder (3.2.3)
     byebug (11.0.1)
     concurrent-ruby (1.1.5)
     crass (1.0.4)
     diff-lcs (1.3)
     docile (1.3.2)