diff --git a/pkgs/development/libraries/haskell/unbounded-delays/default.nix b/pkgs/development/libraries/haskell/unbounded-delays/default.nix
index ccccf9d95d38..69f6ac60ac36 100644
--- a/pkgs/development/libraries/haskell/unbounded-delays/default.nix
+++ b/pkgs/development/libraries/haskell/unbounded-delays/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "unbounded-delays";
-  version = "0.1.0.5";
-  sha256 = "109swgxlv3ywf5g0wgm3gp2y7azd6mqf2lfb9sk21dfzcz28aq4k";
+  version = "0.1.0.6";
+  sha256 = "0yykb9jqxhvbngvp2gbzb0ch2cmzdxx8km62dclyvr3xbv6hk1h7";
   meta = {
     homepage = "https://github.com/basvandijk/unbounded-delays";
     description = "Unbounded thread delays and timeouts";