diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a0b23cf541..2ace7ffe98 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -247,7 +247,7 @@ jobs:
   Build-Cabal:
     strategy:
       matrix:
-        ghc: ['9.0.2', '9.2.4']
+        ghc: ['9.4.8']
       fail-fast: false
     name: Build Linux (Cabal, GHC ${{ matrix.ghc }})
     runs-on: ubuntu-latest
@@ -284,7 +284,7 @@ jobs:
   Build-Cabal-Arm:
     strategy:
       matrix:
-        ghc: ['9.2.4']
+        ghc: ['9.4.8']
       fail-fast: false
     name: Build aarch64 (Cabal, GHC ${{ matrix.ghc }})
     if: ${{ github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/rel-') }}
diff --git a/cabal.project b/cabal.project
new file mode 100644
index 0000000000..313d3fc1f4
--- /dev/null
+++ b/cabal.project
@@ -0,0 +1,2 @@
+packages: postgrest.cabal
+tests: true
diff --git a/cabal.project.freeze b/cabal.project.freeze
index 20a931e505..b9a591a7c4 100644
--- a/cabal.project.freeze
+++ b/cabal.project.freeze
@@ -1 +1 @@
-index-state: hackage.haskell.org 2023-10-13T13:54:33Z
+index-state: hackage.haskell.org 2024-01-06T00:00:00Z
diff --git a/default.nix b/default.nix
index aa125e60a1..918a96f52d 100644
--- a/default.nix
+++ b/default.nix
@@ -5,7 +5,7 @@ let
     "postgrest";
 
   compiler =
-    "ghc924";
+    "ghc948";
 
   # PostgREST source files, filtered based on the rules in the .gitignore files
   # and file extensions. We want to include as litte as possible, as the files
@@ -36,10 +36,10 @@ let
       allOverlays.build-toolbox
       allOverlays.checked-shell-script
       allOverlays.gitignore
-      allOverlays.postgis
       (allOverlays.postgresql-default { inherit patches; })
       allOverlays.postgresql-legacy
       allOverlays.postgresql-future
+      allOverlays.postgis
       (allOverlays.haskell-packages { inherit compiler; })
       allOverlays.slocat
     ];
@@ -50,19 +50,7 @@ let
 
   postgresqlVersions =
     [
-      {
-        name = "postgresql-16";
-        postgresql = pkgs.postgresql_16.withPackages (p: [
-          p.postgis
-          (p.pg_safeupdate.overrideAttrs (old: {
-            installPhase = ''
-              mkdir -p $out/bin
-              cp safeupdate.dylib safeupdate.so || true
-              install -D safeupdate.so -t $out/lib
-            '';
-          }))
-        ]);
-      }
+      { name = "postgresql-16"; postgresql = pkgs.postgresql_16.withPackages (p: [ p.postgis p.pg_safeupdate ]); }
       { name = "postgresql-15"; postgresql = pkgs.postgresql_15.withPackages (p: [ p.postgis p.pg_safeupdate ]); }
       { name = "postgresql-14"; postgresql = pkgs.postgresql_14.withPackages (p: [ p.postgis p.pg_safeupdate ]); }
       { name = "postgresql-13"; postgresql = pkgs.postgresql_13.withPackages (p: [ p.postgis p.pg_safeupdate ]); }
diff --git a/nix/hsie/Main.hs b/nix/hsie/Main.hs
index b3a52c55d3..ed85430534 100644
--- a/nix/hsie/Main.hs
+++ b/nix/hsie/Main.hs
@@ -17,7 +17,6 @@ module Main (main) where
 import qualified Data.Aeson                              as JSON
 import qualified Data.ByteString.Lazy.Char8              as LBS8
 import qualified Data.Csv                                as Csv
-import qualified Data.List                               as List
 import qualified Data.Map                                as Map
 import qualified Data.Set                                as Set
 import qualified Data.Text                               as T
@@ -34,12 +33,13 @@ import Data.Function              ((&))
 import Data.List                  (intercalate)
 import Data.Maybe                 (catMaybes, mapMaybe)
 import Data.Text                  (Text)
-import GHC.Data.Bag               (bagToList)
 import GHC.Generics               (Generic)
 import GHC.Hs.Extension           (GhcPs)
+import GHC.Types.Error            (getMessages)
 import GHC.Types.Name.Occurrence  (occNameString)
 import GHC.Types.Name.Reader      (rdrNameOcc)
 import GHC.Unit.Module.Name       (moduleNameString)
+import GHC.Utils.Error            (pprMsgEnvelopeBagWithLoc)
 import System.Directory.Recursive (getFilesRecursive)
 import System.Exit                (exitFailure)
 
@@ -206,7 +206,7 @@ parseModule filepath = do
       return $ GHC.unLoc hsmod
     Left errs ->
       fail $ "Errors with " <> show filepath <> ":\n    "
-        <> List.intercalate "\n    " (show <$> bagToList errs)
+        <> show (pprMsgEnvelopeBagWithLoc $ getMessages errs)
 
 -- | Symbols imported in an import declaration.
 --
@@ -250,8 +250,7 @@ dump OutputJson = encodePretty
 -- | Find modules that are imported under different aliases
 inconsistentAliases :: [ImportedSymbol] -> ModuleAliases
 inconsistentAliases symbols =
-  fmap moduleAlias symbols
-    & foldr insertSetMapMap Map.empty
+  foldr (insertSetMapMap . moduleAlias) Map.empty symbols
     & Map.map (aliases . Map.toList)
     & Map.filter ((<) 1 . length)
     & Map.toList
diff --git a/nix/hsie/default.nix b/nix/hsie/default.nix
index 1f6c2297d7..706c43848c 100644
--- a/nix/hsie/default.nix
+++ b/nix/hsie/default.nix
@@ -11,6 +11,7 @@ let
     ps.dir-traverse
     ps.dot
     ps.ghc-exactprint
+    ps.ghc-paths
     ps.optparse-applicative
   ];
   ghc = ghcWithPackages modules;
diff --git a/nix/nixpkgs-version.nix b/nix/nixpkgs-version.nix
index 9500eb9a78..b943aa0fcf 100644
--- a/nix/nixpkgs-version.nix
+++ b/nix/nixpkgs-version.nix
@@ -1,6 +1,6 @@
 # Pinned version of Nixpkgs, generated with postgrest-nixpkgs-upgrade.
 {
-  date = "2023-03-25";
-  rev = "dbf5322e93bcc6cfc52268367a8ad21c09d76fea";
-  tarballHash = "0lwk4v9dkvd28xpqch0b0jrac4xl9lwm6snrnzx8k5lby72kmkng";
+  date = "2024-01-06";
+  rev = "4bbf5a2eb6046c54f7a29a0964c642ebfe912cbc";
+  tarballHash = "03p45qdcxqxc41mmzmmyzbkff29vv95vv643z0kd3mf1s2nnsy5b";
 }
diff --git a/nix/overlays/haskell-packages.nix b/nix/overlays/haskell-packages.nix
index 6751d75a31..01764e63ad 100644
--- a/nix/overlays/haskell-packages.nix
+++ b/nix/overlays/haskell-packages.nix
@@ -29,6 +29,18 @@ let
       # To fill in the sha256:
       #   update-nix-fetchgit nix/overlays/haskell-packages.nix
 
+      configurator-pg =
+        prev.callHackageDirect
+          {
+            pkg = "configurator-pg";
+            ver = "0.2.9";
+            sha256 = "sha256-UqFiOgPlksbIdHBVO0wYhCnboB+mxKJcXVhY9C1V7Hg=";
+          }
+          { };
+
+      # Marked as broken (?)
+      fuzzyset = lib.markUnbroken prev.fuzzyset;
+
       postgresql-libpq = lib.dontCheck
         (prev.callCabal2nix "postgresql-libpq"
           (super.fetchFromGitHub {
@@ -39,23 +51,8 @@ let
           })
           { });
 
-      hasql-notifications = lib.dontCheck
-        (prev.callHackageDirect
-          {
-            pkg = "hasql-notifications";
-            ver = "0.2.0.6";
-            sha256 = "sha256-7PyFlB2B70njudOjaX6tk1m77ol9vnF5fI0LF86kVAI=";
-          }
-          { });
+      hasql-pool = lib.dontCheck prev.hasql-pool_0_10;
 
-      hasql-pool = lib.dontCheck
-        (prev.callHackageDirect
-          {
-            pkg = "hasql-pool";
-            ver = "0.10";
-            sha256 = "sha256-kHzoqtNV9BFWnn1h560JRqMooQRwxokVKgDRBexamNI=";
-          }
-          { });
     } // extraOverrides final prev;
 in
 {
diff --git a/nix/overlays/postgis.nix b/nix/overlays/postgis.nix
index 846fb7a857..26b5e226e4 100644
--- a/nix/overlays/postgis.nix
+++ b/nix/overlays/postgis.nix
@@ -6,6 +6,7 @@ let
       url = "https://download.osgeo.org/postgis/source/postgis-${version}.tar.gz";
       sha256 = "sha256-G02LXHVuWrpZ77wYM7Iu/k1lYneO7KVvpJf+susTZow=";
     };
+    meta.broken = false;
   };
 in
 {
diff --git a/nix/overlays/postgresql-future.nix b/nix/overlays/postgresql-future.nix
index 9180c64e5e..90964d075c 100644
--- a/nix/overlays/postgresql-future.nix
+++ b/nix/overlays/postgresql-future.nix
@@ -4,16 +4,16 @@ self: super:
 {
   ## Example for including a postgresql version from a specific nixpks commit:
   ##
-  postgresql_16 =
-    let
-      rev = "5148520bfab61f99fd25fb9ff7bfbb50dad3c9db";
-      tarballHash = "1dfjmz65h8z4lk845724vypzmf3dbgsdndjpj8ydlhx6c7rpcq3p";
-
-      pinnedPkgs =
-        builtins.fetchTarball {
-          url = "https://github.com/nixos/nixpkgs/archive/${rev}.tar.gz";
-          sha256 = tarballHash;
-        };
-    in
-    (import pinnedPkgs { }).pkgs.postgresql_16;
+  #  postgresql_16 =
+  #    let
+  #      rev = "5148520bfab61f99fd25fb9ff7bfbb50dad3c9db";
+  #      tarballHash = "1dfjmz65h8z4lk845724vypzmf3dbgsdndjpj8ydlhx6c7rpcq3p";
+  #
+  #      pinnedPkgs =
+  #        builtins.fetchTarball {
+  #          url = "https://github.com/nixos/nixpkgs/archive/${rev}.tar.gz";
+  #          sha256 = tarballHash;
+  #        };
+  #    in
+  #    (import pinnedPkgs { }).pkgs.postgresql_16;
 }
diff --git a/nix/overlays/postgresql-legacy.nix b/nix/overlays/postgresql-legacy.nix
index cb2c5940fd..cd07af5aa1 100644
--- a/nix/overlays/postgresql-legacy.nix
+++ b/nix/overlays/postgresql-legacy.nix
@@ -31,4 +31,19 @@ self: super:
         };
     in
     (import pinnedPkgs { }).pkgs.postgresql_10;
+
+  # PostgreSQL 11 was removed from Nixpkgs with
+  # https://github.com/NixOS/nixpkgs/commit/1220a4d4dd1a4590780a5e1c18d1333a121be366
+  # We pin its parent commit to get the last version that was available.
+  postgresql_11 =
+    let
+      rev = "f5458516e42cc5cb4123cc2d93f45c240548aa18";
+      tarballHash = "1h03621sxfhw4z6ya74k6c2lyx3z7pvf2jcg4vs7i01yz2m6w3cv";
+      pinnedPkgs =
+        builtins.fetchTarball {
+          url = "https://github.com/nixos/nixpkgs/archive/${rev}.tar.gz";
+          sha256 = tarballHash;
+        };
+    in
+    (import pinnedPkgs { }).pkgs.postgresql_11;
 }
diff --git a/nix/overlays/slocat.nix b/nix/overlays/slocat.nix
index cb17963c0e..577b527fba 100644
--- a/nix/overlays/slocat.nix
+++ b/nix/overlays/slocat.nix
@@ -8,6 +8,6 @@ final: prev:
       rev = "52e7512c6029fd00483e41ccce260a3b4b9b3b64";
       sha256 = "sha256-qn6luuh5wqREu3s8RfuMCP5PKdS2WdwPrujRYTpfzQ8=";
     };
-    vendorSha256 = "sha256-pQpattmS9VmO3ZIQUFn66az8GSmB4IvYhTTCFn6SUmo=";
+    vendorHash = "sha256-pQpattmS9VmO3ZIQUFn66az8GSmB4IvYhTTCFn6SUmo=";
   };
 }
diff --git a/nix/static-haskell-package.nix b/nix/static-haskell-package.nix
index 60f97bb8b3..01ba11ee61 100644
--- a/nix/static-haskell-package.nix
+++ b/nix/static-haskell-package.nix
@@ -51,7 +51,7 @@ let
 
   defaultCabalPackageVersionComingWithGhc =
     {
-      ghc924 = "Cabal_3_6_3_0";
+      ghc948 = "Cabal_3_8_1_0";
     }."${compiler}";
 
   # The static-haskell-nix 'survey' derives a full static set of Haskell
diff --git a/nix/tools/loadtest.nix b/nix/tools/loadtest.nix
index 1e6d3152eb..0d514d54c0 100644
--- a/nix/tools/loadtest.nix
+++ b/nix/tools/loadtest.nix
@@ -172,7 +172,7 @@ let
       }
       ''
         find loadtest -type f -iname '*.bin' -exec ${reporter} {} \; \
-          | ${jq}/bin/jq '[leaf_paths as $path | {param: $path | join("."), (.branch): getpath($path)}]' \
+          | ${jq}/bin/jq '[paths(scalars) as $path | {param: $path | join("."), (.branch): getpath($path)}]' \
           | ${jq}/bin/jq --slurp 'flatten | group_by(.param) | map(add)' \
           | ${toMarkdown}
       '';
diff --git a/nix/tools/nixpkgsTools.nix b/nix/tools/nixpkgsTools.nix
index c4128e5b9c..6f4d04269a 100644
--- a/nix/tools/nixpkgsTools.nix
+++ b/nix/tools/nixpkgsTools.nix
@@ -5,7 +5,7 @@
 , jq
 , nix
 }:
-# Utility script for pinning the latest unstable version of Nixpkgs.
+# Utility script for pinning the latest stable version of Nixpkgs.
 
 # Instead of pinning Nixpkgs based on the huge Git repository, we reference a
 # specific tarball that only contains the source of the revision that we want
@@ -15,7 +15,7 @@ let
     "postgrest-nixpkgs-upgrade";
 
   refUrl =
-    "https://api.github.com/repos/nixos/nixpkgs/git/ref/heads/nixpkgs-unstable";
+    "https://api.github.com/repos/nixos/nixpkgs/git/matching-refs/heads/nixpkgs-";
 
   githubV3Header =
     "Accept: application/vnd.github.v3+json";
@@ -27,11 +27,12 @@ let
     checkedShellScript
       {
         inherit name;
-        docs = "Pin the newest unstable version of Nixpkgs.";
+        docs = "Pin the newest stable version of Nixpkgs.";
         inRootDir = true;
       }
       ''
-        commitHash="$(${curl}/bin/curl "${refUrl}" -H "${githubV3Header}" | ${jq}/bin/jq -r .object.sha)"
+        # The list of refs is sorted. The first result will be nixpkgs-unstable, the second the latest stable branch.
+        commitHash="$(${curl}/bin/curl "${refUrl}" -H "${githubV3Header}" | ${jq}/bin/jq -r 'sort_by(.ref) | reverse | .[1].object.sha')"
         tarballUrl="${tarballUrlBase}$commitHash.tar.gz"
         tarballHash="$(${nix}/bin/nix-prefetch-url --unpack "$tarballUrl")"
         currentDate="$(${coreutils}/bin/date --iso)"
diff --git a/nix/tools/tests.nix b/nix/tools/tests.nix
index eddeccd4de..a5da6f0546 100644
--- a/nix/tools/tests.nix
+++ b/nix/tools/tests.nix
@@ -132,7 +132,7 @@ let
 
           (
             trap 'echo Found dead code: Check file list above.' ERR ;
-            ${weeder}/bin/weeder --config=./test/weeder.dhall
+            ${weeder}/bin/weeder --config=./test/weeder.toml
           )
 
           # collect all tests
diff --git a/postgrest.cabal b/postgrest.cabal
index d879b1b639..689ef77cd4 100644
--- a/postgrest.cabal
+++ b/postgrest.cabal
@@ -75,7 +75,7 @@ library
                       PostgREST.Response.Performance
                       PostgREST.Version
   other-modules:      Paths_postgrest
-  build-depends:      base                      >= 4.9 && < 4.17
+  build-depends:      base                      >= 4.9 && < 4.18
                     , HTTP                      >= 4000.3.7 && < 4000.5
                     , Ranged-sets               >= 0.3 && < 0.5
                     , aeson                     >= 2.0.3 && < 2.2
@@ -93,7 +93,7 @@ library
                     , directory                 >= 1.2.6 && < 1.4
                     , either                    >= 4.4.1 && < 5.1
                     , extra                     >= 1.7.0 && < 2.0
-                    , fuzzyset                  >= 0.2.3
+                    , fuzzyset                  >= 0.3.0
                     , gitrev                    >= 1.2 && < 1.4
                     , hasql                     >= 1.6.1.1 && < 1.7
                     , hasql-dynamic-statements  >= 0.3.1 && < 0.4
@@ -118,11 +118,11 @@ library
                     , scientific                >= 0.3.4 && < 0.4
                     , streaming-commons         >= 0.1.1 && < 0.3
                     , swagger2                  >= 2.4 && < 2.9
-                    , text                      >= 1.2.2 && < 1.3
-                    , time                      >= 1.6 && < 1.12
+                    , text                      >= 1.2.2 && < 2.1
+                    , time                      >= 1.6 && < 1.13
                     , timeit                    >= 2.0 && < 2.1
                     , unordered-containers      >= 0.2.8 && < 0.3
-                    , unix-compat               >= 0.5.4 && < 0.6
+                    , unix-compat               >= 0.5.4 && < 0.8
                     , vault                     >= 0.3.1.5 && < 0.4
                     , vector                    >= 0.11 && < 0.14
                     , wai                       >= 3.2.1 && < 3.3
@@ -159,7 +159,7 @@ executable postgrest
                       NoImplicitPrelude
   hs-source-dirs:     main
   main-is:            Main.hs
-  build-depends:      base                >= 4.9 && < 4.17
+  build-depends:      base                >= 4.9 && < 4.18
                     , containers          >= 0.5.7 && < 0.7
                     , postgrest
                     , protolude           >= 0.3.1 && < 0.4
@@ -233,7 +233,7 @@ test-suite spec
                       Feature.RollbackSpec
                       Feature.RpcPreRequestGucsSpec
                       SpecHelper
-  build-depends:      base              >= 4.9 && < 4.17
+  build-depends:      base              >= 4.9 && < 4.18
                     , aeson             >= 2.0.3 && < 2.2
                     , aeson-qq          >= 0.8.1 && < 0.9
                     , async             >= 2.1.1 && < 2.3
@@ -245,7 +245,7 @@ test-suite spec
                     , hasql-pool        >= 0.10 && < 0.11
                     , hasql-transaction >= 1.0.1 && < 1.1
                     , heredoc           >= 0.2 && < 0.3
-                    , hspec             >= 2.3 && < 2.10
+                    , hspec             >= 2.3 && < 2.11
                     , hspec-wai         >= 0.10 && < 0.12
                     , hspec-wai-json    >= 0.10 && < 0.12
                     , http-types        >= 0.12.3 && < 0.13
@@ -257,7 +257,7 @@ test-suite spec
                     , protolude         >= 0.3.1 && < 0.4
                     , regex-tdfa        >= 1.2.2 && < 1.4
                     , scientific        >= 0.3.4 && < 0.4
-                    , text              >= 1.2.2 && < 1.3
+                    , text              >= 1.2.2 && < 2.1
                     , transformers-base >= 0.4.4 && < 0.5
                     , wai               >= 3.2.1 && < 3.3
                     , wai-extra         >= 3.0.19 && < 3.2
@@ -275,7 +275,7 @@ test-suite doctests
                       NoImplicitPrelude
   hs-source-dirs:     test/doc
   main-is:            Main.hs
-  build-depends:      base              >= 4.9 && < 4.17
+  build-depends:      base              >= 4.9 && < 4.18
                     , doctest           >= 0.8
                     , postgrest
                     , pretty-simple
diff --git a/src/PostgREST/Error.hs b/src/PostgREST/Error.hs
index b378702005..b63384b439 100644
--- a/src/PostgREST/Error.hs
+++ b/src/PostgREST/Error.hs
@@ -17,7 +17,7 @@ module PostgREST.Error
 import qualified Data.Aeson                as JSON
 import qualified Data.ByteString.Char8     as BS
 import qualified Data.CaseInsensitive      as CI
-import qualified Data.FuzzySet             as Fuzzy
+import qualified Data.FuzzySet.Simple      as Fuzzy
 import qualified Data.HashMap.Strict       as HM
 import qualified Data.Map.Internal         as M
 import qualified Data.Text                 as T
@@ -293,9 +293,9 @@ noRelBetweenHint parent child schema allRels = ("Perhaps you meant '" <>) <$>
     findParent = HM.lookup (QualifiedIdentifier schema parent, schema) allRels
     fuzzySetOfParents  = Fuzzy.fromList [qiName (fst p) | p <- HM.keys allRels, snd p == schema]
     fuzzySetOfChildren = Fuzzy.fromList [qiName (relForeignTable c) | c <- fromMaybe [] findParent]
-    suggestParent = Fuzzy.getOne fuzzySetOfParents parent
+    suggestParent = snd <$> Fuzzy.findOne parent fuzzySetOfParents
     -- Do not give suggestion if the child is found in the relations (weight = 1.0)
-    suggestChild  = headMay [snd k | k <- Fuzzy.get fuzzySetOfChildren child, fst k < 1.0]
+    suggestChild  = headMay [snd k | k <- Fuzzy.find child fuzzySetOfChildren, fst k < 1.0]
 
 -- |
 -- If no function is found with the given name, it does a fuzzy search to all the functions
@@ -345,8 +345,8 @@ noRpcHint schema procName params allProcs overloadedProcs =
     -- E.g. ["val", "param", "name"] into "(name, param, val)"
     listToText       = ("(" <>) . (<> ")") . T.intercalate ", " . sort
     possibleProcs
-      | null overloadedProcs = Fuzzy.getOne fuzzySetOfProcs procName
-      | otherwise            = (procName <>) <$> Fuzzy.getOne fuzzySetOfParams (listToText params)
+      | null overloadedProcs = snd <$> Fuzzy.findOne procName fuzzySetOfProcs
+      | otherwise            = (procName <>) . snd <$> Fuzzy.findOne (listToText params) fuzzySetOfParams
 
 compressedRel :: Relationship -> JSON.Value
 -- An ambiguousness error cannot happen for computed relationships TODO refactor so this mempty is not needed
diff --git a/stack.yaml b/stack.yaml
index cd42879e0a..ba4ad97b4f 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-20.6 # 2023-01-09, GHC 9.2.5
+resolver: lts-21.7 # 2023-08-14, GHC 9.4.5
 
 nix:
   packages:
@@ -10,7 +10,10 @@ nix:
   pure: false
 
 extra-deps:
+  - configurator-pg-0.2.7
   - git: https://github.com/PostgREST/postgresql-libpq.git
     commit: 890a0a16cf57dd401420fdc6c7d576fb696003bc
   - hasql-notifications-0.2.0.6
   - hasql-pool-0.10
+  - fuzzyset-0.3.1
+  - megaparsec-9.2.2
diff --git a/stack.yaml.lock b/stack.yaml.lock
index dfc9c8208d..4b8f686c99 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -4,6 +4,13 @@
 #   https://docs.haskellstack.org/en/stable/lock_files
 
 packages:
+- completed:
+    hackage: configurator-pg-0.2.7@sha256:7327ce30c3b6bc50930efa73e2e215c8f62857564483edbbe5a75920057ef764,2849
+    pantry-tree:
+      sha256: 023bd4835a7ac2624c44d3bbb26e99000994ce953d11d853c0f194278983d4dc
+      size: 2463
+  original:
+    hackage: configurator-pg-0.2.7
 - completed:
     commit: 890a0a16cf57dd401420fdc6c7d576fb696003bc
     git: https://github.com/PostgREST/postgresql-libpq.git
@@ -29,9 +36,23 @@ packages:
       size: 346
   original:
     hackage: hasql-pool-0.10
+- completed:
+    hackage: fuzzyset-0.3.1@sha256:344e16deedb43da5cabae558450e5710843cff7ac2f3073be9db453c6f3a3fb7,2373
+    pantry-tree:
+      sha256: 89e22c2ce70a7c7c4b599ffe2546cda5699e4f8f15410eac49f39af8c4c381c8
+      size: 643
+  original:
+    hackage: fuzzyset-0.3.1
+- completed:
+    hackage: megaparsec-9.2.2@sha256:c306a135ec25d91d252032c6128f03598a00e87ea12fcf5fc4878fdffc75c768,3219
+    pantry-tree:
+      sha256: db9715d6910e64d3bbfce69895042a66fcdcd64a54805563834bf0821562b74f
+      size: 1518
+  original:
+    hackage: megaparsec-9.2.2
 snapshots:
 - completed:
-    sha256: 4905c93319aa94aa53da8f41d614d7bacdbfe6c63a8c6132d32e6e62f24a9af4
-    size: 649315
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/20/6.yaml
-  original: lts-20.6
+    sha256: 23bb9bb355bfdb1635252e120a29b712f0d5e8a6c6a65c5ab5bd6692f46c438e
+    size: 640457
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/7.yaml
+  original: lts-21.7
diff --git a/test/weeder.dhall b/test/weeder.dhall
deleted file mode 100644
index 683e34bddc..0000000000
--- a/test/weeder.dhall
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  roots = [ "^Main.main$", "^Paths_" ],
-  type-class-roots = True
-}
diff --git a/test/weeder.toml b/test/weeder.toml
new file mode 100644
index 0000000000..6c357c2583
--- /dev/null
+++ b/test/weeder.toml
@@ -0,0 +1,2 @@
+roots = [ "^Main.main$", "^Paths_" ]
+type-class-roots = true