The price changes will impact multiple products in Hershey’s portfolio that are made with chocolate. Among the items expected to increase in price are Hershey Kisses, KitKat, Reese’s and York Peppermint Patties. Hershey’s says price increases typically take around 90 days to take effect.

Hershey, the maker of Reese’s, Whoppers, barkThins and other chocolate candies, said Wednesday that it will be raising U.S. retail prices later this fall. In some cases, pack sizes will get smaller; in others, list prices will rise. The average price increase will be in the low double-digit percentages.

Global cocoa shortage. Cocoa prices have skyrocketed in recent years due to a global cocoa shortage. The cost for the commodity was $8,402 in June, a 73% increase from five years