diff --git a/pkgs/by-name/ox/oxfmt/package.nix b/pkgs/by-name/ox/oxfmt/package.nix
index b4bc90854a61..ac3a4efa04b8 100644
--- a/pkgs/by-name/ox/oxfmt/package.nix
+++ b/pkgs/by-name/ox/oxfmt/package.nix
@@ -21,33 +21,25 @@
 # A pure Rust build would lack the Prettier plugin functionality.
 stdenv.mkDerivation (finalAttrs: {
   pname = "oxfmt";
-  version = "0.27.0";
+  version = "0.40.0";
 
   src = fetchFromGitHub {
     owner = "oxc-project";
     repo = "oxc";
     tag = "oxfmt_v${finalAttrs.version}";
-    hash = "sha256-EAM1DxA/TqnIRN5Tlvg5/jvbyOUtSuwQ4RCBeO9esCw=";
+    hash = "sha256-A2cq1WgZg8csNGB3yFNo21450f46n4ZVblke1yqlBCc=";
   };
 
-  # Remove patchedDependencies from both workspace and lockfile
-  # to avoid LOCKFILE_CONFIG_MISMATCH error
-  postPatch = ''
-    substituteInPlace pnpm-workspace.yaml pnpm-lock.yaml \
-      --replace-fail "patchedDependencies:" "_patchedDependencies:"
-  '';
-
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit (finalAttrs) pname version src;
-    hash = "sha256-okwkhcT6mekIvo52T8eSrXUcp/LQhcEYvHyIc5CLdrE=";
+    hash = "sha256-Oz9u2+5lq+z9A81BEn2T4jvVMqf1uNXip+OH4AxiTG0=";
   };
 
   pnpmDeps = fetchPnpmDeps {
     inherit (finalAttrs) pname version src;
     pnpm = pnpm_10;
     fetcherVersion = 2;
-    hash = "sha256-GOsSTfM93VgGhVlgzXhJIJG9MSf306cEnRru/aTA+oY=";
-    prePnpmInstall = finalAttrs.postPatch;
+    hash = "sha256-iO1MRUTO8Ce1YGH/qDWQmdfvTfvsmgwGBaybWw3wiu0=";
   };
 
   nativeBuildInputs = [