The next Gulf Cooperation Council-EU summit, expected later this year in Saudi Arabia, comes at a critical moment for both blocs. It should serve as an opportunity to reset their partnership in light of the Iran conflict. The high-level regional security meeting scheduled for this month in Brussels could kick off discussions on this new direction. As the US and Iran negotiate a final deal, the GCC and the EU need to consider redefining their relationship as a result of the war and its uncertain aftermath.