diff --git a/pkgs/development/libraries/haskell/crypto-pubkey/default.nix b/pkgs/development/libraries/haskell/crypto-pubkey/default.nix
index a4f98e5a2a1..aa400c736cb 100644
--- a/pkgs/development/libraries/haskell/crypto-pubkey/default.nix
+++ b/pkgs/development/libraries/haskell/crypto-pubkey/default.nix
@@ -5,8 +5,8 @@
 
 cabal.mkDerivation (self: {
   pname = "crypto-pubkey";
-  version = "0.2.1";
-  sha256 = "06cb2h9c3r1ycgcw7scc191gbr86qi8pxil07207n5fccq3vpjys";
+  version = "0.2.2";
+  sha256 = "084758n5fyh2aigd6055a75pnqjhx42sbjg36hhp2a40vhl7xr2f";
   buildDepends = [
     byteable cryptohash cryptoNumbers cryptoPubkeyTypes cryptoRandom
   ];