You can now expand your Pokémon storage up to 5,000 and you can now expand your item storage to 4,000 in Pokémon GO

Pokémon Storage has officially been increased in Pokémon GO. Niantic is now allowing players of its immensely-popular mobile game to hold a maximum of 5,000 Pokémon. To gain more storage in Pokémon GO, you can purchase more Storage Upgrades via the in-game shop. In addition, you can now expand your item storage to 4,000 in Pokémon GO.

Source: @PokemonGoApp

Source: Pokemon