diff --git a/pkgs/development/libraries/haskell/crypto-api/default.nix b/pkgs/development/libraries/haskell/crypto-api/default.nix
index 66204112c166..546392d70872 100644
--- a/pkgs/development/libraries/haskell/crypto-api/default.nix
+++ b/pkgs/development/libraries/haskell/crypto-api/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "crypto-api";
-  version = "0.8";
-  sha256 = "1fwkafb9v2348vr1a4xnlmkgs4kh85az4f3wnrl9cbqwxf3cc328";
+  version = "0.9";
+  sha256 = "11372brnpiqdm6fdfp95wyyl8nvhbagnq0q2bdhn4xsskpnp4hnp";
   buildDepends = [ cereal entropy largeword tagged ];
   meta = {
     homepage = "http://trac.haskell.org/crypto-api/wiki";