diff --git a/binder/src/main/java/io/grpc/binder/BinderInternal.java b/binder/src/main/java/io/grpc/binder/BinderInternal.java
index ad0fe74e55..34f7793714 100644
--- a/binder/src/main/java/io/grpc/binder/BinderInternal.java
+++ b/binder/src/main/java/io/grpc/binder/BinderInternal.java
@@ -28,7 +28,7 @@ public class BinderInternal {
   /**
    * Sets the receiver's {@link IBinder} using {@link IBinderReceiver#set(IBinder)}.
    */
-  static void setIBinder(IBinderReceiver receiver, IBinder binder) {
+  public static void setIBinder(IBinderReceiver receiver, IBinder binder) {
     receiver.set(binder);
   }
 }