diff --git a/pkgs/development/libraries/haskell/bindings-posix/default.nix b/pkgs/development/libraries/haskell/bindings-posix/default.nix
index 23994140d6c0..8bdf30e36d19 100644
--- a/pkgs/development/libraries/haskell/bindings-posix/default.nix
+++ b/pkgs/development/libraries/haskell/bindings-posix/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "bindings-posix";
-  version = "1.2.3";
-  sha256 = "0nj18lfpn8hmlaa7cmvdkjnk8fi2f6ysjbigkx7zbrpqnvbi63ba";
+  version = "1.2.6";
+  sha256 = "1yza3qbf0f5gfpg79pb6xfpw37zg191nmxa4r6h9x4xb5na0rzff";
   buildDepends = [ bindingsDSL ];
   meta = {
     description = "Low level bindings to posix";