diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix
index 921a029525ec..a0187861a748 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix
@@ -77,27 +77,90 @@ with haskellLib;
   unix = null;
   xhtml = null;
 
-  doctest = self.doctest_0_23_0;
+  #
+  # Hand pick versions that are compatible with ghc 9.12 and base 4.21
+  #
 
-  extra = doDistribute self.extra_1_8; # compatible with base 4.21
+  extra = doDistribute self.extra_1_8;
   htree = doDistribute self.htree_0_2_0_0;
   tagged = doDistribute self.tagged_0_8_9;
-  time-compat = doDistribute (doJailbreak self.time-compat_1_9_8); # too strict lower bound on QuickCheck
+  time-compat = doDistribute self.time-compat_1_9_8;
+  extensions = doDistribute self.extensions_0_1_0_3;
+  doctest = doDistribute self.doctest_0_24_0;
   ghc-syntax-highlighter = doDistribute self.ghc-syntax-highlighter_0_0_13_0;
-  ghc-lib-parser = doDistribute self.ghc-lib-parser_9_12_1_20250105;
   ghc-lib = doDistribute self.ghc-lib_9_12_1_20250105;
+  ghc-exactprint = doDistribute self.ghc-exactprint_1_12_0_0;
+  ghc-lib-parser = doDistribute self.ghc-lib-parser_9_12_2_20250320;
+  ghc-lib-parser-ex = doDistribute self.ghc-lib-parser-ex_9_12_0_0;
+  hlint = doDistribute self.hlint_3_10;
+  fourmolu = doDistribute self.fourmolu_0_18_0_0;
+  ormolu = doDistribute self.ormolu_0_8_0_0;
+  apply-refact = doDistribute self.apply-refact_0_15_0_0;
 
   #
   # Jailbreaks
   #
+
   lucid = doJailbreak super.lucid; # base <4.21
+  extensions_0_1_0_3 = doJailbreak super.extensions_0_1_0_3; # hedgehog >=1.0 && <1.5, hspec-hedgehog >=0.0.1 && <0.2
+  hie-compat = doJailbreak super.hie-compat; # base <4.21
+  hiedb = doJailbreak super.hiedb; # base >=4.12 && <4.21, ghc >=8.6 && <9.11
   ed25519 = doJailbreak super.ed25519; # https://github.com/thoughtpolice/hs-ed25519/issues/39
+  ghc-trace-events = doJailbreak super.ghc-trace-events; # base <4.21
+  time-compat_1_9_8 = doJailbreak super.time-compat_1_9_8; # too strict lower bound on QuickCheck
+  cpphs = overrideCabal (drv: {
+    # jail break manually the conditional dependencies
+    postPatch = ''
+      sed -i 's/time >=1.5 \&\& <1.13/time >=1.5 \&\& <=1.14/g' cpphs.cabal
+    '';
+  }) super.cpphs;
+  vector = doJailbreak super.vector; # doctest >=0.15 && <0.24
+  binary-instances = doJailbreak super.binary-instances; # base >=4.6.0.1 && <4.21, tagged >=0.8.8 && <0.8.9
+  cabal-install-parsers = doJailbreak super.cabal-install-parsers; # base, Cabal-syntax, etc.
   http-api-data = doJailbreak super.http-api-data; # base < 4.21
   servant = doJailbreak super.servant; # base < 4.21
+  ghc-exactprint_1_12_0_0 = addBuildDepends [
+    # somehow buildDepends was missing
+    self.Diff
+    self.extra
+    self.ghc-paths
+    self.silently
+    self.syb
+    self.HUnit
+  ] super.ghc-exactprint_1_12_0_0;
+  co-log-core = doJailbreak super.co-log-core; # doctest >=0.16.0 && <0.24
 
+  #
   # Test suite issues
+  #
+
   call-stack = dontCheck super.call-stack; # https://github.com/sol/call-stack/issues/19
 
+  relude = dontCheck super.relude;
+
+  doctest_0_24_0 = overrideCabal (drv: {
+    testFlags = drv.testFlags or [ ] ++ [
+      # These tests require cabal-install (would cause infinite recursion)
+      "--skip=/Cabal.Options"
+      "--skip=/Cabal.Paths/paths"
+      "--skip=/Cabal.ReplOptions" # >= 0.23
+    ];
+  }) super.doctest_0_24_0;
+
+  # https://github.com/typeable/generic-arbitrary/issues/18
+  generic-arbitrary = overrideCabal (drv: {
+    patches = drv.patches or [ ] ++ [
+      (pkgs.fetchpatch {
+        name = "hellwolf:fix-recursive-test-hidding-unit";
+        url = "https://github.com/typeable/generic-arbitrary/commit/133b80be93e6744f21e0e5ed4180a24c589f92e4.patch";
+        sha256 = "sha256-z9EVcD1uNAYUOVTwmCCnrEFFOvFB7lD94Y6BwGVwVRQ=";
+      })
+    ];
+  }) super.generic-arbitrary;
+
+  # https://gitlab.haskell.org/ghc/ghc/-/issues/25930
+  generic-lens = dontCheck super.generic-lens;
+
   # Cabal 3.14 regression (incorrect datadir in tests): https://github.com/haskell/cabal/issues/10717
   alex = overrideCabal (drv: {
     preCheck =
@@ -109,4 +172,36 @@ with haskellLib;
 
   # https://github.com/sjakobi/newtype-generics/pull/28/files
   newtype-generics = warnAfterVersion "0.6.2" (doJailbreak super.newtype-generics);
+
+  #
+  # Multiple issues
+  #
+
+  fourmolu_0_18_0_0 = dontCheck (
+    super.fourmolu_0_18_0_0.override {
+      # Diff >=1 && <2
+      Diff = super.Diff_1_0_2;
+    }
+  );
+
+  doctest-parallel = overrideCabal (drv: {
+    patches = drv.patches or [ ] ++ [
+      (pkgs.fetchpatch {
+        name = "doctest-0.23.0-ghc-9.12.patch";
+        url = "https://github.com/martijnbastiaan/doctest-parallel/commit/d3df7aa5d223f3daeb676c8a7efe093ee743d54f.patch";
+        sha256 = "sha256-92CtqBCulfOTjLAeC205cIrqL/2CBP1YFLijTVcTD2M=";
+        includes = [ "src/Test/DocTest/Helpers.hs" ];
+      })
+    ];
+  }) (dontCheck (doJailbreak super.doctest-parallel)); # Cabal >=2.4 && <3.13
+
+  haskell-language-server = disableCabalFlag "retrie" (
+    disableCabalFlag "stylishhaskel" (
+      super.haskell-language-server.override {
+        stylish-haskell = null;
+        floskell = null;
+        retrie = null;
+      }
+    )
+  );
 }