diff --git a/.rubocop.yml b/.rubocop.yml
index 8e09f083e..cd2cb0128 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -77,7 +77,7 @@ Metrics/BlockLength:
    - spec/**/shared_examples_*.rb
 
 Metrics/ClassLength:
-  Max: 300
+  Max: 350
 
 Metrics/MethodLength:
   Max: 150
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0dcbc2113..341d2ca39 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ _None_
 
 ### New Features
 
-_None_
+- `upload_build_to_apps_cdn`: Add additional Sparkle meta fields `critical_update` and `phased_rollout_interval` [#673]
 
 ### Bug Fixes
 
diff --git a/lib/fastlane/plugin/wpmreleasetoolkit/actions/common/upload_build_to_apps_cdn.rb b/lib/fastlane/plugin/wpmreleasetoolkit/actions/common/upload_build_to_apps_cdn.rb
index 9d23b7885..740c50ef3 100644
--- a/lib/fastlane/plugin/wpmreleasetoolkit/actions/common/upload_build_to_apps_cdn.rb
+++ b/lib/fastlane/plugin/wpmreleasetoolkit/actions/common/upload_build_to_apps_cdn.rb
@@ -69,6 +69,8 @@ def self.run(params)
           version: params[:version],
           build_number: params[:build_number], # Optional: may be nil
           minimum_system_version: params[:minimum_system_version], # Optional: may be nil
+          critical_update: params[:critical_update], # Optional: may be nil
+          phased_rollout_interval: params[:phased_rollout_interval], # Optional: may be nil
           post_status: params[:post_status], # Optional: may be nil
           release_notes: params[:release_notes], # Optional: may be nil
           sha: params[:sha], # Optional: may be nil
@@ -292,6 +294,18 @@ def self.available_options
             optional: true,
             type: String
           ),
+          FastlaneCore::ConfigItem.new(
+            key: :critical_update,
+            description: 'Whether the build is a critical update',
+            optional: true,
+            type: Boolean
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :phased_rollout_interval,
+            description: 'The interval for the phased rollout (in seconds)',
+            optional: true,
+            type: Integer
+          ),
           FastlaneCore::ConfigItem.new(
             key: :release_notes,
             description: 'The release notes to show with the build on the blog frontend',