diff --git a/packages/react-native/Libraries/Utilities/NativePlatformConstantsAndroid.js b/packages/react-native/Libraries/Utilities/NativePlatformConstantsAndroid.js
index 7612e779b3f..e1329e8c589 100644
--- a/packages/react-native/Libraries/Utilities/NativePlatformConstantsAndroid.js
+++ b/packages/react-native/Libraries/Utilities/NativePlatformConstantsAndroid.js
@@ -19,7 +19,7 @@ export interface Spec extends TurboModule {
       major: number,
       minor: number,
       patch: number,
-      prerelease: ?string,
+      prerelease: ?number,
     |},
     Version: number,
     Release: string,
diff --git a/packages/react-native/Libraries/Utilities/NativePlatformConstantsIOS.js b/packages/react-native/Libraries/Utilities/NativePlatformConstantsIOS.js
index 95997c70832..cf60d5ec984 100644
--- a/packages/react-native/Libraries/Utilities/NativePlatformConstantsIOS.js
+++ b/packages/react-native/Libraries/Utilities/NativePlatformConstantsIOS.js
@@ -19,7 +19,7 @@ export interface Spec extends TurboModule {
       major: number,
       minor: number,
       patch: number,
-      prerelease: ?string,
+      prerelease: ?number,
     |},
     forceTouchAvailable: boolean,
     osVersion: string,
diff --git a/packages/react-native/Libraries/Utilities/Platform.android.js b/packages/react-native/Libraries/Utilities/Platform.android.js
index f41f32ffdf8..29234be81a7 100644
--- a/packages/react-native/Libraries/Utilities/Platform.android.js
+++ b/packages/react-native/Libraries/Utilities/Platform.android.js
@@ -32,7 +32,7 @@ const Platform = {
       major: number,
       minor: number,
       patch: number,
-      prerelease: ?string,
+      prerelease: ?number,
     |},
     Version: number,
     Release: string,
diff --git a/packages/react-native/Libraries/Utilities/Platform.d.ts b/packages/react-native/Libraries/Utilities/Platform.d.ts
index a37235f5f04..465a82b35c6 100644
--- a/packages/react-native/Libraries/Utilities/Platform.d.ts
+++ b/packages/react-native/Libraries/Utilities/Platform.d.ts
@@ -23,7 +23,7 @@ type PlatformConstants = {
     major: number;
     minor: number;
     patch: number;
-    prerelease?: string | null | undefined;
+    prerelease?: number | null | undefined;
   };
 };
 interface PlatformStatic {
diff --git a/packages/react-native/Libraries/Utilities/Platform.ios.js b/packages/react-native/Libraries/Utilities/Platform.ios.js
index c1c3ada2e55..4adf4201c52 100644
--- a/packages/react-native/Libraries/Utilities/Platform.ios.js
+++ b/packages/react-native/Libraries/Utilities/Platform.ios.js
@@ -35,7 +35,7 @@ const Platform = {
       major: number,
       minor: number,
       patch: number,
-      prerelease: ?string,
+      prerelease: ?number,
     |},
     systemName: string,
   |} {