South Korea’s unification minister extended another olive branch to North Korea on Monday, urging that the two countries resume talks after more than a year-long deadlock in diplomatic relations.

Unification minister Lee In-young made the call a day before the three-year anniversary of the 2018 Panmunjom Declaration, which vowed to achieve “complete denuclearization of the Korean Peninsula” and was signed by both South Korean President Moon Jae-in and North Korean leader Kim Jong Un.