diff --git a/pkgs/by-name/nu/nufmt/package.nix b/pkgs/by-name/nu/nufmt/package.nix
index 0a7985e14636..c195c54be827 100644
--- a/pkgs/by-name/nu/nufmt/package.nix
+++ b/pkgs/by-name/nu/nufmt/package.nix
@@ -7,26 +7,29 @@
 }:
 rustPlatform.buildRustPackage {
   pname = "nufmt";
-  version = "0-unstable-2025-06-19";
+  version = "0-unstable-2025-12-29";
 
   src = fetchFromGitHub {
     owner = "nushell";
     repo = "nufmt";
-    rev = "35962223fbd4c1a924b4ccfb8c7ad81fe2863b86";
-    hash = "sha256-2WgqKQBZRMqUyWq0qm+d8TUT/iAQ1LZjhllBKqimp+Q=";
+    rev = "c03e166babe7b77f1a80a7916ab1e8e2437bba06";
+    hash = "sha256-VZiRmo9/jxAFCSr2bHrf89qb6o1Obwt2+O3NrIrokZo=";
   };
 
   nativeBuildInputs = [
     rustPlatform.bindgenHook
   ];
 
-  cargoHash = "sha256-KDXC2/1GcJL6qH+L/FzzQCA7kJigtKOfxVDLv5qXYao=";
+  cargoHash = "sha256-BpKhgF3LUQRL1mNCR5Iq4/Q+eRaOf+JgQCuUfloRhzk=";
 
   # NOTE: Patch follows similar intention upstream https://github.com/nushell/nufmt/commit/35962223fbd4c1a924b4ccfb8c7ad81fe2863b86
   postPatch = ''
     substituteInPlace tests/main.rs --replace-fail \
       'const TEST_BINARY: &str = "target/debug/nufmt";' \
       'const TEST_BINARY: &str = "target/${stdenv.hostPlatform.rust.rustcTarget}/release/nufmt";'
+    substituteInPlace tests/ground_truth.rs --replace-fail \
+      'const TEST_BINARY: &str = "target/debug/nufmt";' \
+      'const TEST_BINARY: &str = "target/${stdenv.hostPlatform.rust.rustcTarget}/release/nufmt";'
   '';
 
   passthru.updateScript = nix-update-script { extraArgs = [ "--version=branch" ]; };