diff --git a/pkgs/development/libraries/haskell/largeword/default.nix b/pkgs/development/libraries/haskell/largeword/default.nix
index e526c757fd7c..d6716abe55ff 100644
--- a/pkgs/development/libraries/haskell/largeword/default.nix
+++ b/pkgs/development/libraries/haskell/largeword/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "largeword";
-  version = "1.0.0";
-  sha256 = "1122isizlx807zv26j0sx71iw39nn3sja6mr2pf4sd456m1vmx8r";
+  version = "1.0.1";
+  sha256 = "0kkkck220wap3ad2k6461ylhshiqbizv0qh35i2325fhqx892gyr";
   meta = {
     homepage = "http://trac.haskell.org/largeword/wiki";
     description = "Provides Word128, Word192 and Word256 and a way of producing other large words if required";