micwoj92 [1] filed a deletion request for haskell-certificate [2]: Depends on old version of haskell-crypto-pubkey-types (0.4.0) and currently arch has 0.4.3-144 [1] https://aur.archlinux.org/account/micwoj92/ [2] https://aur.archlinux.org/pkgbase/haskell-certificate/