The present invention relates to a dry transglutaminase composition, said composition is obtainable by lyophilizing or spray-drying an aqueous composition comprising a transglutaminase, a salt and at least one further component selected from the group consisting of a sugar, an amino acid, and a buffer, wherein the concentration of the salt in the aqueous composition is in the range from 5 to 100 mM. In further aspects, the present invention relates to a method of preparing said dry transglutaminase composition, a reconstituted solution, a pharmaceutical composition, and method of treatments.
