diff --git a/pkgs/development/libraries/haskell/postgresql-simple/default.nix b/pkgs/development/libraries/haskell/postgresql-simple/default.nix
index 28b5c0dec85..3e3a1b7dbfd 100644
--- a/pkgs/development/libraries/haskell/postgresql-simple/default.nix
+++ b/pkgs/development/libraries/haskell/postgresql-simple/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "postgresql-simple";
-  version = "0.2.4.0";
-  sha256 = "1n1s650j4z82cz34rq9qgj805yc9x852snnqjaa1iwrg9i3r150f";
+  version = "0.2.4.1";
+  sha256 = "09yszkiahfyidaq9yfk4mda5sf1m8bcqqag51vasybln9k9hhws3";
   buildDepends = [
     attoparsec blazeBuilder blazeTextual postgresqlLibpq text time
     transformers vector