Heightened geopolitical tensions and the growing securitization of economic exchange over the past decade have prompted many countries to adopt new geoeconomic tools. Long resistant to this geoeconomic turn, the European Union (EU) has since 2017 created a panoply of innovative policy tools that blend trade and investment with essential security concerns. This article asks why and how the EU has been able to operate the doctrinal and policy changes necessary to put economic tools at the service of geopolitics. After introducing a typology of the defensive and offensive geoeconomic tools deployed by advanced industrial economies, we present the novel geoeconomic toolkit quickly assembled by the EU, which we explain by the confluence of external factors that triggered European leaders' beliefs that change was necessary and internal factors that made such change institutionally and politically possible, a trend reinforced by the pandemic and the Russian invasion of Ukraine.