The article deals with longevity risk, which is faced by non-state pension funds, and possible methods of its management. Longevity risk arises from uncertainty in future mortality trends and is related with the guaranteed lifelong pension payments. The emphasis is put on the impact of this risk on solvency of non-state pension funds. Results of the estimation show, that the effect is quite significant and longevity risk has to be controlled. Two possible methods of risk management for longevity risk are discussed: special reserves and life expectancy forecasting.