diff --git a/README.md b/README.md
index fd18b17..08ff485 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,7 @@ target_binary_version  | Target binary version for example 1.0.1  |  |
 mandatory  | manadtory update or not  |   | true
 description  | Release description for CodePush  |  | no description for release
 no_duplicate_release_error  | Specifies whether to return an error if the main bundle is identical to the latest codepush release  |  | false
+entry_file | This specifies the relative path to the app's root/entry JavaScript file. | | none
 dry_run  | Print the command that would be run, but don't run it  |  | false
 
 ### Release React action
diff --git a/lib/fastlane/plugin/code_push/actions/code_push_release_react_action.rb b/lib/fastlane/plugin/code_push/actions/code_push_release_react_action.rb
index 121375e..d46b507 100644
--- a/lib/fastlane/plugin/code_push/actions/code_push_release_react_action.rb
+++ b/lib/fastlane/plugin/code_push/actions/code_push_release_react_action.rb
@@ -26,6 +26,9 @@ def self.run(params)
           if params[:sourcemap_output]
             command += "-s #{params[:sourcemap_output]} "
           end
+          if params[:entry_file]
+            command += "-e #{params[:entry_file]} "
+          end
           if params[:dry_run]
             UI.message("Dry run!".red + " Would have run: " + command + "\n")
           else
@@ -112,7 +115,11 @@ def self.available_options
           FastlaneCore::ConfigItem.new(key: :sourcemap_output,
                                       is_string: true,
                                       optional: true,
-                                      description: "Specifies path to write sourcemap to")
+                                      description: "Specifies path to write sourcemap to"),
+          FastlaneCore::ConfigItem.new(key: :entry_file,
+                                      is_string: true,
+                                      optional: true,
+                                      description: "Specifies the relative path to the app's root/entry JavaScript file")
         ]
       end