Random without repeating

My script:
void Update(){
int i = Random.Range(1, 6);
Debug.Log(i);
}
It's always return one way when i restart the scene: "5, 2, 3, 4, etc...."
Please tell me why? I want it different, how can i do that?

 

http://docs.unity3d.com/ScriptReference/Random-seed.html

 

It should be different every time unless you did set a seed value. Maybe somewhere else in your code something is setting Random.seed to some value. If not in your own code, possibly in a plugin.

 

Thank you very very much, you save my life.

 

ya its rather stupid that seed is a static property of the Random class. if random seeds are needed it really should be a object property, so people can just create a new object from Random with there seed, allowing there to be multiple random objects each with there own seeds.