Spark 2.0.1

Trying to update to Spark 2.0.1.

I download the file - Spark_2_0_1.dmg. I extract it. What extracts is Spark_2_0_0 I open using this file. What opens is Spark 2.0.0.

Is there a trick to this? I can’'t seem to update.

Using latest OSX, Firefox 1.5.0.7