why always attribute android:hintTextColor not found

I always show up but not found

attribute android:hintTextColor not found.

<EditText
        android:id="@+id/editTextTextPassword"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="249dp"
        android:autofillHints=""
        android:ems="10"
        android:hint="@string/password_msg"
        android:hintTextColor="#757575"
        android:inputType="textPassword"
        android:minHeight="48dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

please help me.thanks.