diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
index 9005e6df0e4c..36b01c349178 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
@@ -155,6 +155,7 @@ extra-packages:
   - ghc-lib-parser == 9.0.1.*           # 2021-11-05: Need one GHC 9.0.1 compatible version
   - ghc-lib-parser-ex == 9.0.*          # 2021-11-05: Need one GHC 9.0.1 compatible version
   - doctest == 0.18.*                   # 2021-11-19: closest to stackage version for GHC 9.*
+  - brick == 0.64.*                     # 2021-12-03: matterhorn depends on brick < 0.65
 
 package-maintainers:
   abbradar:
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 0442e458d65b..2e7baab94aa7 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -46661,6 +46661,33 @@ self: {
        license = lib.licenses.bsd3;
      }) {};
 
+  "brick_0_64_2" = callPackage
+    ({ mkDerivation, base, bytestring, config-ini, containers
+     , contravariant, data-clist, deepseq, directory, dlist, exceptions
+     , filepath, microlens, microlens-mtl, microlens-th, QuickCheck, stm
+     , template-haskell, text, text-zipper, transformers, unix, vector
+     , vty, word-wrap
+     }:
+     mkDerivation {
+       pname = "brick";
+       version = "0.64.2";
+       sha256 = "058kpghx5s559z5l9hav44s8vb5lizn8j7v7l4lmvpqx3a6cisn7";
+       isLibrary = true;
+       isExecutable = true;
+       libraryHaskellDepends = [
+         base bytestring config-ini containers contravariant data-clist
+         deepseq directory dlist exceptions filepath microlens microlens-mtl
+         microlens-th stm template-haskell text text-zipper transformers
+         unix vector vty word-wrap
+       ];
+       testHaskellDepends = [
+         base containers microlens QuickCheck vector
+       ];
+       description = "A declarative terminal user interface library";
+       license = lib.licenses.bsd3;
+       hydraPlatforms = lib.platforms.none;
+     }) {};
+
   "brick_0_65" = callPackage
     ({ mkDerivation, base, bytestring, config-ini, containers
      , contravariant, data-clist, deepseq, directory, dlist, exceptions