diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 3c92ce417..07969aff4 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -9,23 +9,27 @@ module Mastodon
     end
 
     def minor
-      4
+      5
     end
 
     def patch
-      7
+      0
     end
 
     def pre
       nil
     end
 
+    def flags
+      'rc1'
+    end
+
     def to_a
       [major, minor, patch, pre].compact
     end
 
     def to_s
-      to_a.join('.')
+      [to_a.join('.'), flags].join
     end
   end
 end
diff --git a/spec/workers/pubsubhubbub/confirmation_worker_spec.rb b/spec/workers/pubsubhubbub/confirmation_worker_spec.rb
index 8f66b4520..1eecdd2b5 100644
--- a/spec/workers/pubsubhubbub/confirmation_worker_spec.rb
+++ b/spec/workers/pubsubhubbub/confirmation_worker_spec.rb
@@ -83,6 +83,6 @@ describe Pubsubhubbub::ConfirmationWorker do
   end
 
   def http_headers
-    { 'Connection' => 'close', 'Host' => 'example.com', 'User-Agent' => 'http.rb/2.2.2 (Mastodon/1.4.7; +https://cb6e6126.ngrok.io/)' }
+    { 'Connection' => 'close', 'Host' => 'example.com' }
   end
 end
diff --git a/spec/workers/pubsubhubbub/delivery_worker_spec.rb b/spec/workers/pubsubhubbub/delivery_worker_spec.rb
index b72001568..c0e0d5186 100644
--- a/spec/workers/pubsubhubbub/delivery_worker_spec.rb
+++ b/spec/workers/pubsubhubbub/delivery_worker_spec.rb
@@ -59,7 +59,6 @@ describe Pubsubhubbub::DeliveryWorker do
         'Content-Type' => 'application/atom+xml',
         'Host' => 'example.com',
         'Link' => "<https://#{Rails.configuration.x.local_domain}/api/push>; rel=\"hub\", <https://#{Rails.configuration.x.local_domain}/users/#{subscription.account.username}.atom>; rel=\"self\"",
-        'User-Agent' => 'http.rb/2.2.2 (Mastodon/1.4.7; +https://cb6e6126.ngrok.io/)',
       }.tap do |basic|
         known_digest = OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha1'), subscription.secret.to_s, payload)
         basic.merge('X-Hub-Signature' => "sha1=#{known_digest}") if subscription.secret?