diff --git a/pkgs/development/libraries/haskell/pool-conduit/default.nix b/pkgs/development/libraries/haskell/pool-conduit/default.nix
index 77faceeea92..e97fbb983a7 100644
--- a/pkgs/development/libraries/haskell/pool-conduit/default.nix
+++ b/pkgs/development/libraries/haskell/pool-conduit/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "pool-conduit";
-  version = "0.1.2";
-  sha256 = "10lvq18pk9d4la5irr1qv1c9y4qbwlglmzgs7bz1d0g5232w3rv8";
+  version = "0.1.2.1";
+  sha256 = "1mcx66xv1irxd66cfv23h4n7fplg5a0hyldlgk8km0k395mjw8k8";
   buildDepends = [
     monadControl resourcePool resourcet transformers
   ];