A dishwashing composition comprising a builder and one or more enzymes capable of degrading cellulosic material, wherein the one or more enzymes capable of degrading cellulosic material is an enzyme preparation comprising: a) an Aspergillus fumigatus cellobiohydrolase I; b) an Aspergillus fumigatus cellobiohydrolase II; c) an Aspergillus fumigatus beta-glucosidase or variant thereof; and d) a Penicillium sp. GH61 polypeptide having cellulolytic enhancing activity; or homologs thereof is selected from the group consisting of: (i) a GH61 polypeptide having cellulolytic enhancing activity comprising or consisting of the mature polypeptide of SEQ ID NO: 8; (ii) a GH61 polypeptide having cellulolytic enhancing activity comprising or consisting of an amino acid sequence having at least 70%, at least 75%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, or at least 99% sequence identity to the mature polypeptide of SEQ ID NO: 8; (iii) a GH61 polypeptide having cellulolytic enhancing activity encoded by a polynucleotide comprising or consisting of a nucleotide sequence having at least 70%, at least 75%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, or at least 99% sequence identity to the mature polypeptide coding sequence of SEQ ID NO: 7. a) an Aspergillus fumigatus cellobiohydrolase I; b) an Aspergillus fumigatus cellobiohydrolase II; c) an Aspergillus fumigatus beta-glucosidase or variant thereof; and d) a Penicillium sp. GH61 polypeptide having cellulolytic enhancing activity; or homologs thereof is selected from the group consisting of: (i) a GH61 polypeptide having cellulolytic enhancing activity comprising or consisting of the mature polypeptide of SEQ ID NO: 8; (ii) a GH61 polypeptide having cellulolytic enhancing activity comprising or consisting of an amino acid sequence having at least 70%, at least 75%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, or at least 99% sequence identity to the mature polypeptide of SEQ ID NO: 8; (iii) a GH61 polypeptide having cellulolytic enhancing activity encoded by a polynucleotide comprising or consisting of a nucleotide sequence having at least 70%, at least 75%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, or at least 99% sequence identity to the mature polypeptide coding sequence of SEQ ID NO: 7. (i) a GH61 polypeptide having cellulolytic enhancing activity comprising or consisting of the mature polypeptide of SEQ ID NO: 8; (ii) a GH61 polypeptide having cellulolytic enhancing activity comprising or consisting of an amino acid sequence having at least 70%, at least 75%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, or at least 99% sequence identity to the mature polypeptide of SEQ ID NO: 8; (iii) a GH61 polypeptide having cellulolytic enhancing activity encoded by a polynucleotide comprising or consisting of a nucleotide sequence having at least 70%, at least 75%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, or at least 99% sequence identity to the mature polypeptide coding sequence of SEQ ID NO: 7.