Protestant Pastor Lorenzo Rosales Fajardo has had his sentence reduced to seven years by the Cuban government who have officially informed his family of the change.
The Pastor's original sentence was eight years and the new sentencing has been sent in a document from the Permanent Mission of Cuba in Geneva to the United Nations (UN).
No specific reason has been given for the change to the pastor's sentence.
Christian Solidarity Worldwide's Head of Advocacy and Americas Team Leader Anna Lee Stangl said: "While we welcome this slight reduction to Pastor Rosales Fajardo's prison sentence, we maintain that he is innocent of the charges against him, and therefore that he should be a free man.
"The manner in which the Cuban authorities continue to change their story appears specifically designed to inflict confusion and pain on this innocent man and his family, and we call on the international community to do far more to hold the Cuban Communist Party to account for this and other egregious human rights violations against any who dare to challenge or question the government's vice-like grip on power."
Pastor Fajardo was arrested after participating in peaceful protests that took place across the island on 11 July 2021.
He has been imprisoned in Boniato Maximum Security Prison since August 2021, and was tried on charges of 'disrespect', 'assault', 'criminal incitement' and 'public disorder' on 20 and 21 December 2021.