diff --git a/pkgs/development/tools/rubyfmt/0001-cargo-lock-update-version.patch b/pkgs/development/tools/rubyfmt/0001-cargo-lock-update-version.patch
deleted file mode 100644
index d2bf9f9431ca..000000000000
--- a/pkgs/development/tools/rubyfmt/0001-cargo-lock-update-version.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From d9df7aaaaf9c758499f569376a041045d99e4015 Mon Sep 17 00:00:00 2001
-From: Bob van der Linden <bobvanderlinden@gmail.com>
-Date: Thu, 9 Feb 2023 16:17:46 +0100
-Subject: [PATCH 1/2] cargo: lock: update version
-
----
- Cargo.lock | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/Cargo.lock b/Cargo.lock
-index 79a81d1..374c10a 100644
---- a/Cargo.lock
-+++ b/Cargo.lock
-@@ -642,7 +642,7 @@ dependencies = [
- 
- [[package]]
- name = "rubyfmt-main"
--version = "0.8.0-pre"
-+version = "0.8.1"
- dependencies = [
-  "atty",
-  "clap",
--- 
-2.39.1
-
diff --git a/pkgs/development/tools/rubyfmt/default.nix b/pkgs/development/tools/rubyfmt/default.nix
index 6cf2324b1d41..15457e80aad9 100644
--- a/pkgs/development/tools/rubyfmt/default.nix
+++ b/pkgs/development/tools/rubyfmt/default.nix
@@ -12,19 +12,20 @@
 , libobjc
 , libunwind
 , libxcrypt
+, libyaml
 , Foundation
 , Security
 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "rubyfmt";
-  version = "0.8.1";
+  version = "0.10.0";
 
   src = fetchFromGitHub {
     owner = "fables-tales";
     repo = "rubyfmt";
     rev = "v${version}";
-    hash = "sha256-lHq9lcLMp6HUHMonEe3T2YGwMYW1W131H1jo1cy6kyc=";
+    hash = "sha256-IIHPU6iwFwQ5cOAtOULpMSjexFtTelSd/LGLuazdmUo=";
     fetchSubmodules = true;
   };
 
@@ -38,6 +39,7 @@ rustPlatform.buildRustPackage rec {
   buildInputs = [
     zlib
     libxcrypt
+    libyaml
   ] ++ lib.optionals stdenv.isDarwin [
     readline
     libiconv
@@ -55,15 +57,13 @@ rustPlatform.buildRustPackage rec {
   '';
 
   cargoPatches = [
-    # The 0.8.1 release did not have an up-to-date lock file. The rubyfmt
-    # version in Cargo.toml was bumped, but it wasn't updated in the lock file.
-    ./0001-cargo-lock-update-version.patch
-
     # Avoid checking whether ruby gitsubmodule is up-to-date.
     ./0002-remove-dependency-on-git.patch
   ];
 
-  cargoHash = "sha256-keeIonGNgE0U0IVi8DeXAy6ygTXVXH+WDjob36epUDI=";
+  cargoHash = "sha256-QZ26GmsKyENkzdCGg2peie/aJhEt7KQAF/lwsibonDk=";
+
+  env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-fdeclspec";
 
   preFixup = ''
     mv $out/bin/rubyfmt{-main,}
@@ -74,5 +74,10 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/fables-tales/rubyfmt";
     license = licenses.mit;
     maintainers = with maintainers; [ bobvanderlinden ];
+    # = note: Undefined symbols for architecture x86_64:
+    #       "_utimensat", referenced from:
+    #           _utime_internal in librubyfmt-3c969812b3b27083.rlib(file.o)
+    broken = stdenv.isDarwin && stdenv.isx86_64;
+    mainProgram = "rubyfmt";
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 44986968eea2..261b97dc11dc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18195,8 +18195,8 @@ with pkgs;
 
   rbenv = callPackage ../development/ruby-modules/rbenv { };
 
-  rubyfmt = callPackage ../development/tools/rubyfmt {
-    inherit (darwin.apple_sdk.frameworks) Foundation Security;
+  rubyfmt = darwin.apple_sdk_11_0.callPackage ../development/tools/rubyfmt {
+    inherit (darwin.apple_sdk_11_0.frameworks) Foundation Security;
     inherit (darwin) libobjc;
   };