A dishwasher comprising a washing chamber, a rack, and a bracket, wherein the bracket is arranged to hold the rack against a wall of the washing chamber, wherein the rack is configured to accommodate items to be washed within the washing chamber, wherein the rack is slidably arranged in relation to the bracket to provide different vertical positions of the rack in relation to the washing chamber, wherein the dishwasher comprises a securing mechanism configured to secure the rack in relation to the bracket, in at least a first vertical position of the rack in relation to the washing chamber, wherein the securing mechanism comprises a protruding element and a tapered portion, wherein one of the protruding element and the tapered portion is arranged at the rack, and the other of the protruding element and the tapered portion is arranged at the bracket, wherein the protruding element is arranged to extend into the tapered portion when the rack is in the first vertical position, and wherein the tapered portion is arranged to prevent movement of the protruding element through the tapered portion to secure the rack in relation to the bracket, characterized in that the tapered portion of the securing mechanism comprises a first securing member (13.1) and a second securing member (13.2), wherein the first and the second securing members (13.1, 13.2) are arranged at a distance from each other forming an aperture at an end portion of the tapered portion, wherein the aperture comprises an aperture width between the first and the second securing members (13.1, 13.2), wherein at least one of the first and the second securing members (13.1, 13.2) is displaceable relative the other securing member (13.1, 13.2) between a locking position, in which the aperture width is smaller than the extension (e) of the protruding element to prevent movement of the protruding element through the tapered portion, and an unlocking position, in which the aperture width is larger than the extension (e) of the protruding element to allow movement of the protruding element through the tapered portion. wherein the bracket is arranged to hold the rack against a wall of the washing chamber, wherein the rack is configured to accommodate items to be washed within the washing chamber, wherein the rack is slidably arranged in relation to the bracket to provide different vertical positions of the rack in relation to the washing chamber, wherein the dishwasher comprises a securing mechanism configured to secure the rack in relation to the bracket, in at least a first vertical position of the rack in relation to the washing chamber, wherein the securing mechanism comprises a protruding element and a tapered portion, wherein one of the protruding element and the tapered portion is arranged at the rack, and the other of the protruding element and the tapered portion is arranged at the bracket, wherein the protruding element is arranged to extend into the tapered portion when the rack is in the first vertical position, and wherein the tapered portion is arranged to prevent movement of the protruding element through the tapered portion to secure the rack in relation to the bracket, characterized in that the tapered portion of the securing mechanism comprises a first securing member (13.1) and a second securing member (13.2), wherein the first and the second securing members (13.1, 13.2) are arranged at a distance from each other forming an aperture at an end portion of the tapered portion, wherein the aperture comprises an aperture width between the first and the second securing members (13.1, 13.2), wherein at least one of the first and the second securing members (13.1, 13.2) is displaceable relative the other securing member (13.1, 13.2) between a locking position, in which the aperture width is smaller than the extension (e) of the protruding element to prevent movement of the protruding element through the tapered portion, and an unlocking position, in which the aperture width is larger than the extension (e) of the protruding element to allow movement of the protruding element through the tapered portion.