diff --git a/pkgs/development/haskell-modules/cabal2nix-unstable.nix b/pkgs/development/haskell-modules/cabal2nix-unstable.nix
index 08e7dd4bb466..d55a1341cf4b 100644
--- a/pkgs/development/haskell-modules/cabal2nix-unstable.nix
+++ b/pkgs/development/haskell-modules/cabal2nix-unstable.nix
@@ -8,10 +8,10 @@
 }:
 mkDerivation {
   pname = "cabal2nix";
-  version = "unstable-2023-04-11";
+  version = "unstable-2023-05-05";
   src = fetchzip {
-    url = "https://github.com/NixOS/cabal2nix/archive/010ff5c3b75d976d0f3a25b7caa0bc5bf2fdae9f.tar.gz";
-    sha256 = "1n38kmavdv6s1czqbiq6f6nagpv27s8xg0g0rvyh4l0x2my8wj4y";
+    url = "https://github.com/NixOS/cabal2nix/archive/078350047d358bb450d634d775493aba89b21212.tar.gz";
+    sha256 = "0rsdn2zyw0zr6pi3dg6cm3i310alppigdsv20iqpx0dzykkicywj";
   };
   postUnpack = "sourceRoot+=/cabal2nix; echo source root reset to $sourceRoot";
   isLibrary = true;
diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 6342eab0b870..d46c4e8f265c 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -997,8 +997,6 @@ self: super: builtins.intersectAttrs super {
     (overrideCabal { doCheck = pkgs.postgresql.doCheck; })
   ];
 
-  lzma = super.lzma.override { liblzma = pkgs.xz; };
-
   # Wants running postgresql database accessible over ip, so postgresqlTestHook
   # won't work (or would need to patch test suite).
   domaindriven-core = dontCheck super.domaindriven-core;
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index a75a348072e5..adc4d362edee 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -187854,21 +187854,21 @@ self: {
      }) {};
 
   "lzma" = callPackage
-    ({ mkDerivation, base, bytestring, HUnit, liblzma, QuickCheck
-     , tasty, tasty-hunit, tasty-quickcheck
+    ({ mkDerivation, base, bytestring, HUnit, QuickCheck, tasty
+     , tasty-hunit, tasty-quickcheck, xz
      }:
      mkDerivation {
        pname = "lzma";
        version = "0.0.1.0";
        sha256 = "0knz0d6456zf6wbqifzcsw2xvdgaqnig2zn96kav7aqn5i4nfbvj";
        libraryHaskellDepends = [ base bytestring ];
-       libraryPkgconfigDepends = [ liblzma ];
+       libraryPkgconfigDepends = [ xz ];
        testHaskellDepends = [
          base bytestring HUnit QuickCheck tasty tasty-hunit tasty-quickcheck
        ];
        description = "LZMA/XZ compression and decompression";
        license = lib.licenses.bsd3;
-     }) {liblzma = null;};
+     }) {inherit (pkgs) xz;};
 
   "lzma-clib" = callPackage
     ({ mkDerivation }: