diff --git a/pkgs/development/libraries/haskell/safe/default.nix b/pkgs/development/libraries/haskell/safe/default.nix
index 6c16af12107..49c77c5ea26 100644
--- a/pkgs/development/libraries/haskell/safe/default.nix
+++ b/pkgs/development/libraries/haskell/safe/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "safe";
-  version = "0.3.3";
-  sha256 = "0ig9laq1p4iic24smjb304mvlsvdyn90lvxh64c4p75c8g459489";
+  version = "0.3.4";
+  sha256 = "0mwdaj0sjvqkgg077x1d896xphx64yrjvwbdhv7khdk3rh0vfl64";
   meta = {
     homepage = "http://community.haskell.org/~ndm/safe/";
     description = "Library for safe (pattern match free) functions";