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Updated systemic proper motion estimates for 58 Milky Way satellite galaxies,based on Gaia Early Data Release 3 (EDR3), are provided. This sample isidentical to that studied by McConnachie & Venn (2020) and the methodology isessentially unchanged from the original paper. The superiority of Gaia EDR3compared to Gaia Data Release 2 means that Bo{\"o}tes 4, Cetus 3, Pegasus 3 andVirgo 1 have detectable systemic proper motions for the first time. For theentire galaxy sample, the median random uncertainties in the systemic propermotions are approximately a factor of two better than the previous estimatesusing Gaia DR2. Relevant systematic errors, which are also a factor of twosmaller, dominate over random uncertainties for 25 out of the 58 objects in thesample.

Updated proper motions for Local Group dwarf galaxies using Gaia Early Data Release 3