diff --git a/pkgs/development/libraries/haskell/crypto-api/default.nix b/pkgs/development/libraries/haskell/crypto-api/default.nix
index a888b0e6242d..bede4e05b8cd 100644
--- a/pkgs/development/libraries/haskell/crypto-api/default.nix
+++ b/pkgs/development/libraries/haskell/crypto-api/default.nix
@@ -2,10 +2,9 @@
 
 cabal.mkDerivation (self: {
   pname = "crypto-api";
-  version = "0.12";
-  sha256 = "09ra5bz2s5n2zq57n6ylsj7a482bsxpxhybmp04g796h87xgy7xs";
+  version = "0.12.2.1";
+  sha256 = "03hbjjrwnpa4ji2ig458s0c4g13r566sl6fs3hciwyf6cfq597wk";
   buildDepends = [ cereal entropy tagged transformers ];
-  jailbreak = true;
   meta = {
     homepage = "https://github.com/TomMD/crypto-api";
     description = "A generic interface for cryptographic operations";