diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
index e2747bd701fc..9eb04c0be56a 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
@@ -39,12 +39,14 @@ default-package-overrides:
 
 
 extra-packages:
-  - Cabal-syntax == 3.6.*               # Dummy package that ensures packages depending on Cabal-syntax can work for Cabal < 3.8
   - Cabal == 3.2.*                      # Used for packages needing newer Cabal on ghc 8.6 and 8.8
+  - Cabal-syntax == 3.6.*               # Dummy package that ensures packages depending on Cabal-syntax can work for Cabal < 3.8
   - Cabal == 3.6.*                      # used for packages needing newer Cabal on ghc 8.10 and 9.0
   - Cabal-syntax == 3.8.*               # version required for ormolu and fourmolu on ghc 9.2 and 9.0
-  - Cabal-syntax == 3.10.*              # version required for cabal-install and other packages
-  - Cabal == 3.10.*                     # version required for cabal-install and other packages
+  - Cabal-syntax == 3.10.*
+  - Cabal == 3.10.*
+  - Cabal == 3.12.*                     # version required for cabal-install and other packages
+  - Cabal-syntax == 3.12.*              # version required for cabal-install and other packages
   - directory == 1.3.7.*                # required to build cabal-install 3.10.* with GHC 9.2
   - Diff < 0.4                          # required by liquidhaskell-0.8.10.2: https://github.com/ucsd-progsys/liquidhaskell/issues/1729
   - aeson < 2                           # required by pantry-0.5.2
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 677731468399..36e6f49b756c 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -2926,6 +2926,26 @@ self: {
        hydraPlatforms = lib.platforms.none;
      }) {};
 
+  "Cabal_3_12_1_0" = callPackage
+    ({ mkDerivation, array, base, bytestring, Cabal-syntax, containers
+     , deepseq, directory, filepath, mtl, parsec, pretty, process, time
+     , transformers, unix
+     }:
+     mkDerivation {
+       pname = "Cabal";
+       version = "3.12.1.0";
+       sha256 = "1lmnmp1ag9lwaxks66ba26mi4q10afnl0a82nj1fv27bnjzz8hkn";
+       setupHaskellDepends = [ mtl parsec ];
+       libraryHaskellDepends = [
+         array base bytestring Cabal-syntax containers deepseq directory
+         filepath mtl parsec pretty process time transformers unix
+       ];
+       doCheck = false;
+       description = "A framework for packaging Haskell software";
+       license = lib.licenses.bsd3;
+       hydraPlatforms = lib.platforms.none;
+     }) {};
+
   "Cabal_3_14_0_0" = callPackage
     ({ mkDerivation, array, base, bytestring, Cabal-syntax, containers
      , deepseq, directory, filepath, mtl, parsec, pretty, process, time
@@ -3023,6 +3043,25 @@ self: {
        hydraPlatforms = lib.platforms.none;
      }) {};
 
+  "Cabal-syntax_3_12_1_0" = callPackage
+    ({ mkDerivation, alex, array, base, binary, bytestring, containers
+     , deepseq, directory, filepath, mtl, parsec, pretty, text, time
+     , transformers
+     }:
+     mkDerivation {
+       pname = "Cabal-syntax";
+       version = "3.12.1.0";
+       sha256 = "1d045h470yykabz5d89896d6v2p1vng373s7bgysfdmzqhgd7wp5";
+       libraryHaskellDepends = [
+         array base binary bytestring containers deepseq directory filepath
+         mtl parsec pretty text time transformers
+       ];
+       libraryToolDepends = [ alex ];
+       description = "A library for working with .cabal files";
+       license = lib.licenses.bsd3;
+       hydraPlatforms = lib.platforms.none;
+     }) {};
+
   "Cabal-syntax_3_14_0_0" = callPackage
     ({ mkDerivation, alex, array, base, binary, bytestring, containers
      , deepseq, directory, filepath, mtl, parsec, pretty, text, time