Preheat oven to 350 degrees F (175 degrees C). Grease an 8x8 inch baking dish.
Place apples in prepared dish. Sprinkle with cinnamon. Pour water over all. In a bowl, cream together sugar and butter. Blend in flour. Sprinkle mixture evenly over apples.
Bake in preheated oven 30 to 40 minutes, until apples are tender and crust is golden.