diff --git a/pkgs/development/libraries/haskell/system-fileio/default.nix b/pkgs/development/libraries/haskell/system-fileio/default.nix
index 172489f6b52f..844864ac1031 100644
--- a/pkgs/development/libraries/haskell/system-fileio/default.nix
+++ b/pkgs/development/libraries/haskell/system-fileio/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "system-fileio";
-  version = "0.3.2.1";
-  sha256 = "0a0vkbj9z5i74g6kkz3n4ffmvinavmnak0zxsx0fck18ppdgv394";
+  version = "0.3.3";
+  sha256 = "0z7y99g8ij9ykpxsgdb0addyibvpv2s95i0wpx4yc7mgi8cl50bx";
   buildDepends = [ systemFilepath text time ];
   meta = {
     homepage = "https://john-millikin.com/software/hs-fileio/";