The present invention relates to a retortable sealant composition comprising i) at least a copolymer of propylene and .alpha.-olefins, and ii) at least a copolymer of ethylene and alkyl acrylate, wherein the alkyl acrylate is present in an amount ranging from about 1 to less than 9 weight percent, relative to the weight of the sealant composition. It also relates to a retortable multilayer film or a retortable packaging comprising a sealant layer comprising such a composition.