diff --git a/pkgs/development/libraries/haskell/bindings-posix/default.nix b/pkgs/development/libraries/haskell/bindings-posix/default.nix
index 23994140d6c0..1475be900391 100644
--- a/pkgs/development/libraries/haskell/bindings-posix/default.nix
+++ b/pkgs/development/libraries/haskell/bindings-posix/default.nix
@@ -1,10 +1,11 @@
-{ cabal, bindingsDSL }:
+{ cabal, bindingsDSL, pthread }:
 
 cabal.mkDerivation (self: {
   pname = "bindings-posix";
   version = "1.2.3";
   sha256 = "0nj18lfpn8hmlaa7cmvdkjnk8fi2f6ysjbigkx7zbrpqnvbi63ba";
   buildDepends = [ bindingsDSL ];
+  extraLibraries = [ pthread ];
   meta = {
     description = "Low level bindings to posix";
     license = self.stdenv.lib.licenses.bsd3;