The star of David signifies your religious views and connections. The dream could indicate your desire to find the spiritual connection within yourself and unknowingness. Sometimes the religious dream could simply represent the person in your life who believes a lot in God or have a very deep connection with religious aspects. Sometimes the dream could be interpreted as the suggestion to look better into yourself and understand what you like to have out of the life.
Read more about dreaming of Star of David in other dream meanings interpretations.