The invention relates to a wiper device (100) for the cleaning of vehicle windows (1), with a wiper blade (10) fastened exchangeably on a wiper arm (2), which wiper blade is connected with the wiper arm (2) via a wiper blade adapter (11), wherein in the fastening region to the wiper blade (10) the wiper arm (2) has a substantially U-shaped cross section, which embraces the wiper blade adapter (11), wherein on the wiper arm (2) in the connecting region a securing element (27) for the wiper blade adapter (11) is provided which is movably arranged at least in the longitudinal direction of the wiper arm (2) and which partially overlaps the wiper arm (2) in the connecting region and has a substantially U-shaped cross section with holding sections (46, 47) projecting inwards in the direction towards the wiper blade adapter (11). It is provided according to the invention that, in addition to its longitudinal displaceability, the securing element (27) is arranged pivotably on the wiper arm (2).