Almost 20 years after CEPR published “Social Europe: One for All?”, Social Europe has moved again to the top of the policy agenda. In this column, two of the authors revisit their report and argue that the challenges posed by the Global Crisis, the deepening of the inter­nal market, globalisation, technological progress, popu­lation ageing, and the refugee crisis now require a more effective strat­egy to strengthen the EU social acquis.