5.1 upgrade and patch for Heartbleed

I am running ESXi 5.1 build 1065491 and vCenter 5.1.

I am upgrading to 5.5.

My plan was to upgrade to ESXi 5.5 U1 (build 1623387).

Then, apply the HeartBleed patch 201404001.

However, I see there is a ESXiU1-Rollup_2 patch, but the instruction say it cannot be used for an upgrade and only for new installs.

If that is the case, how do you get the Rollup2 driver updates for a newly updated ESXi 5.5 U1?

thanks