diff --git a/pkgs/tools/security/echidna/default.nix b/pkgs/tools/security/echidna/default.nix
index 9f9a0c009fbb..a8e812219ba5 100644
--- a/pkgs/tools/security/echidna/default.nix
+++ b/pkgs/tools/security/echidna/default.nix
@@ -8,111 +8,114 @@
   slither-analyzer,
 }:
 
-mkDerivation (rec {
-  pname = "echidna";
-  version = "2.2.3";
+mkDerivation (
+  rec {
+    pname = "echidna";
+    version = "2.2.3";
 
-  src = fetchFromGitHub {
-    owner = "crytic";
-    repo = "echidna";
-    rev = "v${version}";
-    sha256 = "sha256-NJ2G6EkexYE4P3GD7PZ+lLEs1dqnoqIB2zfAOD5SQ8M=";
-  };
+    src = fetchFromGitHub {
+      owner = "crytic";
+      repo = "echidna";
+      rev = "v${version}";
+      sha256 = "sha256-NJ2G6EkexYE4P3GD7PZ+lLEs1dqnoqIB2zfAOD5SQ8M=";
+    };
 
-  patches = [
-    # Support cross platform vty 6.x with vty-crossplatform
-    # https://github.com/crytic/echidna/pull/1290
-    (fetchpatch {
-      url = "https://github.com/crytic/echidna/commit/2913b027d7e793390ed489ef6a47d23ec9b3c800.patch";
-      hash = "sha256-5CGD9nDbDUTG869xUybWYSvGRsrm7JP7n0WMBNYfayw=";
-    })
-  ];
+    patches = [
+      # Support cross platform vty 6.x with vty-crossplatform
+      # https://github.com/crytic/echidna/pull/1290
+      (fetchpatch {
+        url = "https://github.com/crytic/echidna/commit/2913b027d7e793390ed489ef6a47d23ec9b3c800.patch";
+        hash = "sha256-5CGD9nDbDUTG869xUybWYSvGRsrm7JP7n0WMBNYfayw=";
+      })
+    ];
 
-  isExecutable = true;
+    isExecutable = true;
 
-  libraryToolDepends = with haskellPackages; [ haskellPackages.hpack ];
+    libraryToolDepends = with haskellPackages; [ haskellPackages.hpack ];
 
-  executableHaskellDepends = with haskellPackages; [
-    # package.yaml - dependencies
-    base
-    aeson
-    async
-    base16-bytestring
-    binary
-    bytestring
-    code-page
-    containers
-    data-bword
-    data-dword
-    deepseq
-    extra
-    directory
-    exceptions
-    filepath
-    hashable
-    hevm
-    html-entities
-    ListLike
-    MonadRandom
-    mtl
-    optparse-applicative
-    optics
-    optics-core
-    process
-    random
-    rosezipper
-    semver
-    split
-    text
-    transformers
-    time
-    unliftio
-    utf8-string
-    vector
-    with-utf8
-    word-wrap
-    yaml
-    http-conduit
-    html-conduit
-    warp
-    wai-extra
-    xml-conduit
-    strip-ansi-escape
-    # package.yaml - dependencies when "!os(windows)"
-    brick
-    unix
-    vty
-  ];
+    executableHaskellDepends = with haskellPackages; [
+      # package.yaml - dependencies
+      base
+      aeson
+      async
+      base16-bytestring
+      binary
+      bytestring
+      code-page
+      containers
+      data-bword
+      data-dword
+      deepseq
+      extra
+      directory
+      exceptions
+      filepath
+      hashable
+      hevm
+      html-entities
+      ListLike
+      MonadRandom
+      mtl
+      optparse-applicative
+      optics
+      optics-core
+      process
+      random
+      rosezipper
+      semver
+      split
+      text
+      transformers
+      time
+      unliftio
+      utf8-string
+      vector
+      with-utf8
+      word-wrap
+      yaml
+      http-conduit
+      html-conduit
+      warp
+      wai-extra
+      xml-conduit
+      strip-ansi-escape
+      # package.yaml - dependencies when "!os(windows)"
+      brick
+      unix
+      vty
+    ];
 
-  # Note: there is also a runtime dependency of slither-analyzer. So, let's include it.
-  executableSystemDepends = [ slither-analyzer ];
+    # Note: there is also a runtime dependency of slither-analyzer. So, let's include it.
+    executableSystemDepends = [ slither-analyzer ];
 
-  preConfigure = ''
-    hpack
-  '';
+    preConfigure = ''
+      hpack
+    '';
 
-  shellHook = "hpack";
+    shellHook = "hpack";
 
-  doHaddock = false;
+    doHaddock = false;
 
-  # tests depend on a specific version of solc
-  doCheck = false;
+    # tests depend on a specific version of solc
+    doCheck = false;
 
-  description = "Ethereum smart contract fuzzer";
-  homepage = "https://github.com/crytic/echidna";
-  license = lib.licenses.agpl3Plus;
-  maintainers = with lib.maintainers; [
-    arturcygan
-    hellwolf
-  ];
-  platforms = lib.platforms.unix;
-  mainProgram = "echidna-test";
+    description = "Ethereum smart contract fuzzer";
+    homepage = "https://github.com/crytic/echidna";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [
+      arturcygan
+      hellwolf
+    ];
+    platforms = lib.platforms.unix;
+    mainProgram = "echidna-test";
 
-} // lib.optionalAttrs (stdenv.isDarwin && stdenv.isAarch64) {
+  }
+  // lib.optionalAttrs (stdenv.isDarwin && stdenv.isAarch64) {
 
-  # https://github.com/NixOS/nixpkgs/pull/304352
-  postInstall = with haskellPackages; ''
-    remove-references-to -t ${warp.out} "$out/bin/echidna"
-    remove-references-to -t ${wreq.out} "$out/bin/echidna"
-  '';
-})
+    # https://github.com/NixOS/nixpkgs/pull/304352
+    postInstall = with haskellPackages; ''
+      remove-references-to -t ${warp.out} "$out/bin/echidna"
+      remove-references-to -t ${wreq.out} "$out/bin/echidna"
+    '';
+  }
+)