diff --git a/pkgs/development/libraries/haskell/network-simple/default.nix b/pkgs/development/libraries/haskell/network-simple/default.nix
index 72d8c8af8c8..cde31643c71 100644
--- a/pkgs/development/libraries/haskell/network-simple/default.nix
+++ b/pkgs/development/libraries/haskell/network-simple/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "network-simple";
-  version = "0.3.0";
-  sha256 = "046nbgdwazbqffcim1gxry1mf35yg41g52zdk86h9whhiwjzlywz";
+  version = "0.3.1";
+  sha256 = "0bk015d0np07887flah76vgrgrqaqj4x1sdxmghvazj8c78nkan8";
   buildDepends = [ exceptions network transformers ];
   meta = {
     homepage = "https://github.com/k0001/network-simple";