OM System/Olympus announced a 4-29% price increase in Japan (starting on July 1, 2022). The price increase includes the OM-1, E-M10 Mark IV cameras, and several lenses:
Pretty much every photo company, with the exception of Panasonic, has recently increased their prices:
Panasonic has no plans to increase the prices of their cameras and lenses
Via Digicame-info