Organizations preparing for post-quantum cryptography migration must prioritize cryptographic agility to ensure seamless transitions between algorithms. This is crucial as crypto-agile systems enable the replacement of cryptographic algorithms through adaptable architectures, rather than requiring disruptive infrastructure overhauls. By implementing crypto-agility, organizations can mitigate the risks associated with quantum computing threats, which are shifting the threat model from criminal to geopolitical1. Practical approaches to achieving crypto-agility include maintaining cryptographic inventories, implementing algorithm negotiation, and utilizing abstraction layers. Additionally, hybrid deployments and automated certificate management can facilitate smoother transitions. As state-aligned activity involving post-quantum cryptography continues to evolve, the ability to adapt and respond to new threats will be critical, making crypto-agility a key requirement for organizations to stay ahead of emerging threats. This matters to practitioners because it requires a fundamental shift in strategy to address the unique challenges posed by post-quantum cryptography.