diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 891ce8f990a8..2f3ea6fe3f3e 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -171,6 +171,9 @@ self: super: {
   # Fails no apparent reason. Upstream has been notified by e-mail.
   assertions = dontCheck super.assertions;
 
+  # 2023-01-29: Restrictive base bound already loosened on master but not released: https://github.com/sebastiaanvisser/clay/commit/4483bdf7a452903f177220958f1610030ab7f28a
+  clay = throwIfNot (super.clay.version == "0.14.0") "Remove clay jailbreak in configuration-common.nix when you see this eval error." (doJailbreak super.clay);
+
   # These packages try to execute non-existent external programs.
   cmaes = dontCheck super.cmaes;                        # http://hydra.cryp.to/build/498725/log/raw
   dbmigrations = dontCheck super.dbmigrations;
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
index 0347d89d53d7..f13d781d1b65 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
@@ -704,7 +704,6 @@ broken-packages:
   - classy-parallel
   - classyplate
   - ClassyPrelude
-  - clay
   - clckwrks-plugin-bugs
   - clckwrks-plugin-mailinglist
   - clckwrks-theme-clckwrks
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
index 1dfaefeb59a7..d500c5e9111a 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
@@ -292,6 +292,7 @@ package-maintainers:
     - sensei
   maralorn:
     - cabal-fmt
+    - clay
     - ema
     - emanote
     - generic-optics
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index e075ad8effca..58df97832ba0 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -59982,8 +59982,7 @@ self: {
        testToolDepends = [ hspec-discover ];
        description = "CSS preprocessor as embedded Haskell";
        license = lib.licenses.bsd3;
-       hydraPlatforms = lib.platforms.none;
-       broken = true;
+       maintainers = [ lib.maintainers.maralorn ];
      }) {};
 
   "clckwrks" = callPackage