diff --git a/libraries/stdlib/src/kotlin/properties/Interfaces.kt b/libraries/stdlib/src/kotlin/properties/Interfaces.kt
index 7e78dc4a46f..52c38251410 100644
--- a/libraries/stdlib/src/kotlin/properties/Interfaces.kt
+++ b/libraries/stdlib/src/kotlin/properties/Interfaces.kt
@@ -35,14 +35,14 @@ public interface ReadOnlyProperty<in T, out V> {
  * @param T the type of object which owns the delegated property.
  * @param V the type of the property value.
  */
-public interface ReadWriteProperty<in T, V> {
+public interface ReadWriteProperty<in T, V> : ReadOnlyProperty<T, V> {
     /**
      * Returns the value of the property for the given object.
      * @param thisRef the object for which the value is requested.
      * @param property the metadata for the property.
      * @return the property value.
      */
-    public operator fun getValue(thisRef: T, property: KProperty<*>): V
+    public override operator fun getValue(thisRef: T, property: KProperty<*>): V
 
     /**
      * Sets the value of the property for the given object.
diff --git a/libraries/tools/binary-compatibility-validator/reference-public-api/kotlin-stdlib-runtime-merged.txt b/libraries/tools/binary-compatibility-validator/reference-public-api/kotlin-stdlib-runtime-merged.txt
index f3e9088c526..edb749fc7e9 100644
--- a/libraries/tools/binary-compatibility-validator/reference-public-api/kotlin-stdlib-runtime-merged.txt
+++ b/libraries/tools/binary-compatibility-validator/reference-public-api/kotlin-stdlib-runtime-merged.txt
@@ -3894,7 +3894,7 @@ public abstract interface class kotlin/properties/ReadOnlyProperty {
 	public abstract fun getValue (Ljava/lang/Object;Lkotlin/reflect/KProperty;)Ljava/lang/Object;
 }
 
-public abstract interface class kotlin/properties/ReadWriteProperty {
+public abstract interface class kotlin/properties/ReadWriteProperty : kotlin/properties/ReadOnlyProperty {
 	public abstract fun getValue (Ljava/lang/Object;Lkotlin/reflect/KProperty;)Ljava/lang/Object;
 	public abstract fun setValue (Ljava/lang/Object;Lkotlin/reflect/KProperty;Ljava/lang/Object;)V
 }