diff --git a/api/system-current.txt b/api/system-current.txt
index e26108c221973..9b06bf14d8fb1 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -9969,7 +9969,7 @@ package android.service.dataloader {
   }
 
   public static final class DataLoaderService.FileSystemConnector {
-    method public void writeData(@NonNull String, long, long, @NonNull android.os.ParcelFileDescriptor) throws java.io.IOException;
+    method @RequiresPermission(android.Manifest.permission.INSTALL_PACKAGES) public void writeData(@NonNull String, long, long, @NonNull android.os.ParcelFileDescriptor) throws java.io.IOException;
   }
 
 }
diff --git a/core/java/android/service/dataloader/DataLoaderService.java b/core/java/android/service/dataloader/DataLoaderService.java
index 0b9a8aff26e89..d4db79eda7625 100644
--- a/core/java/android/service/dataloader/DataLoaderService.java
+++ b/core/java/android/service/dataloader/DataLoaderService.java
@@ -18,6 +18,7 @@ package android.service.dataloader;
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
 import android.app.Service;
 import android.content.Intent;
@@ -206,6 +207,7 @@ public abstract class DataLoaderService extends Service {
          * @throws IOException if trouble opening the file for writing, such as lack of disk space
          *                     or unavailable media.
          */
+        @RequiresPermission(android.Manifest.permission.INSTALL_PACKAGES)
         public void writeData(@NonNull String name, long offsetBytes, long lengthBytes,
                 @NonNull ParcelFileDescriptor incomingFd) throws IOException {
             try {