I seem to remember that the little flower was much pinker, than it's come out in the photo. I've listed another sundew I found a bit up the track as a separate report, as one is clumpy, and the other taller, but they might be the same species.
This is possibly Drosera auriculata but I can't be sure if the sepals are glabrous or pubescent (see Flora of Victoria (online) descriptions of the species we have in the ACT). Are you able to put up a closeup crop of your main image that shows the flowers and buds?