diff --git a/config.ru b/config.ru
index 687555d..5b6a8cb 100644
--- a/config.ru
+++ b/config.ru
@@ -72,6 +72,10 @@ class AppleAppV1 < Hanami::API
         status(204)
       end
 
+      patch "cancel_submission" do
+        json(DOMAIN.cancel_review_submission(**env[:app_store_connect_params].merge(params)))
+      end
+
       patch "start" do
         DOMAIN.start_release(**env[:app_store_connect_params].merge(params))
         status(204)
diff --git a/lib/app_store/connect.rb b/lib/app_store/connect.rb
index e7f2559..e943bcb 100644
--- a/lib/app_store/connect.rb
+++ b/lib/app_store/connect.rb
@@ -25,6 +25,8 @@ def self.prepare_release(**params) = new(**params).prepare_release(**params.slic
 
     def self.create_review_submission(**params) = new(**params).create_review_submission(**params.slice(:build_number, :version))
 
+    def self.cancel_review_submission(**params) = new(**params).cancel_review_submission(**params.slice(:build_number, :version))
+
     def self.release(**params) = new(**params).release(**params.slice(:build_number))
 
     def self.start_release(**params) = new(**params).start_release(**params.slice(:build_number))
@@ -244,6 +246,22 @@ def submit_review(submission, edit_version)
       end
     end
 
+    def cancel_review_submission(build_number:, version:)
+      execute do
+        edit_version = app
+          .get_app_store_versions(includes: "build", filter: INFLIGHT_RELEASE_FILTERS)
+          .find { |v| v.build&.version == build_number.to_s && v.version_string == version }
+        raise VersionNotFoundError unless edit_version
+
+        sub = app.get_in_progress_review_submission(platform: IOS_PLATFORM)
+
+        raise SubmissionNotFoundError unless sub
+        sub.cancel_submission
+
+        version_data(app.get_edit_app_store_version(includes: VERSION_DATA_INCLUDES))
+      end
+    end
+
     # no of api calls: 2
     def release(build_number: nil)
       execute do
diff --git a/lib/app_store/errors.rb b/lib/app_store/errors.rb
index c2fb3c3..2109065 100644
--- a/lib/app_store/errors.rb
+++ b/lib/app_store/errors.rb
@@ -61,6 +61,18 @@ def as_json
     end
   end
 
+  class SubmissionNotFoundError < StandardError
+    MSG = "No in progress review submission found"
+
+    def initialize(msg = MSG)
+      super
+    end
+
+    def as_json
+      AppStore.error_as_json(:submission, :not_found, MSG)
+    end
+  end
+
   class BuildMismatchError < StandardError
     MSG = "The build on the release in app store does not match the build number"