diff --git a/pkgs/development/libraries/haskell/fb/default.nix b/pkgs/development/libraries/haskell/fb/default.nix
index 51a6ea84c50..37d24309732 100644
--- a/pkgs/development/libraries/haskell/fb/default.nix
+++ b/pkgs/development/libraries/haskell/fb/default.nix
@@ -10,8 +10,8 @@
 
 cabal.mkDerivation (self: {
   pname = "fb";
-  version = "1.0.2";
-  sha256 = "1xgldk690dpbmhzmjlngpbalmbs0xrc7265zc7frphpsbbw3cnqc";
+  version = "1.0.4";
+  sha256 = "1sp0x5p9l02i2ynvynazhgs5lqqwih997c2fyfp0xi24qsc7ilr2";
   buildDepends = [
     aeson attoparsec base16Bytestring base64Bytestring cereal conduit
     conduitExtra cryptoApi cryptohash cryptohashCryptoapi dataDefault