Preheat the oven to 350 F. In a medium bowl, mix together crushed graham crackers with melted butter until combined. Evenly press the mixture into a greased 8-inch square baking dish.
In a large bowl, mix together cream cheese with sugar, eggs, vanilla extract, and lemon juice until smooth. Pour the cheesecake mixture over the graham cracker crust. Bake for 45-50 minutes.