diff --git a/pkgs/development/libraries/haskell/SHA/default.nix b/pkgs/development/libraries/haskell/SHA/default.nix
index c2cbe154424..d2bc6929542 100644
--- a/pkgs/development/libraries/haskell/SHA/default.nix
+++ b/pkgs/development/libraries/haskell/SHA/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "SHA";
-  version = "1.6.2.1";
-  sha256 = "0knzwqgwshr9b0rf8mf6xmgp3qxv4yavg0zy9xz4zmgm5319mvla";
+  version = "1.6.4";
+  sha256 = "13d7sg8r0qqs425banrwd15hahy8gnl4k81q0wfqld77xpb2vvbj";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [ binary ];