diff --git a/packages/react-native/scripts/ios-prebuild/reactNativeDependencies.js b/packages/react-native/scripts/ios-prebuild/reactNativeDependencies.js
index a3d70cb114e..2a7cccc7ba5 100644
--- a/packages/react-native/scripts/ios-prebuild/reactNativeDependencies.js
+++ b/packages/react-native/scripts/ios-prebuild/reactNativeDependencies.js
@@ -121,9 +121,9 @@ type ReactNativeDependenciesEngineSourceType =
 */
 
 const ReactNativeDependenciesEngineSourceTypes = {
-  DOWNLOAD_PREBUILD_TARBALL: 'download_prebuild_tarball',
-  DOWNLOAD_PREBUILT_NIGHTLY_TARBALL: 'download_prebuilt_nightly_tarball',
-};
+    DOWNLOAD_PREBUILD_TARBALL: 'download_prebuild_tarball',
+    DOWNLOAD_PREBUILT_NIGHTLY_TARBALL: 'download_prebuilt_nightly_tarball',
+  } /*:: as const */;
 
 /**
  * Checks if the ReactNativeDependencies artifacts are already downloaded and up to date with the specified version.