diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
index 756e4d7ef49..9c53e21b59e 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
@@ -77,6 +77,7 @@ import com.facebook.react.bridge.queue.ReactQueueConfigurationSpec;
 import com.facebook.react.common.LifecycleState;
 import com.facebook.react.common.ReactConstants;
 import com.facebook.react.common.SurfaceDelegateFactory;
+import com.facebook.react.common.annotations.StableReactNativeAPI;
 import com.facebook.react.common.annotations.VisibleForTesting;
 import com.facebook.react.config.ReactFeatureFlags;
 import com.facebook.react.devsupport.DevSupportManagerFactory;
@@ -133,6 +134,7 @@ import java.util.Set;
  * <p>To instantiate an instance of this class use {@link #builder}.
  */
 @ThreadSafe
+@StableReactNativeAPI
 public class ReactInstanceManager {
 
   private static final String TAG = ReactInstanceManager.class.getSimpleName();
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java
index c4787b09fab..3d8eb071cdc 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java
@@ -25,6 +25,7 @@ import com.facebook.react.bridge.JavaScriptExecutorFactory;
 import com.facebook.react.bridge.NotThreadSafeBridgeIdleDebugListener;
 import com.facebook.react.common.LifecycleState;
 import com.facebook.react.common.SurfaceDelegateFactory;
+import com.facebook.react.common.annotations.StableReactNativeAPI;
 import com.facebook.react.devsupport.DefaultDevSupportManagerFactory;
 import com.facebook.react.devsupport.DevSupportManagerFactory;
 import com.facebook.react.devsupport.interfaces.DevBundleDownloadListener;
@@ -40,6 +41,7 @@ import java.util.List;
 import java.util.Map;
 
 /** Builder class for {@link ReactInstanceManager} */
+@StableReactNativeAPI
 public class ReactInstanceManagerBuilder {
 
   private static final String TAG = ReactInstanceManagerBuilder.class.getSimpleName();