diff --git a/pkgs/by-name/fo/formatjson5/package.nix b/pkgs/by-name/fo/formatjson5/package.nix
index 505c3f073f8a..55cc640cf25d 100644
--- a/pkgs/by-name/fo/formatjson5/package.nix
+++ b/pkgs/by-name/fo/formatjson5/package.nix
@@ -20,9 +20,20 @@ rustPlatform.buildRustPackage {
 
   patches = [
     (fetchpatch {
+      # bugfix: fix missing_docs error
+      # Needed to build with Rust 1.83+.
+      name = "0001-bugfix-fix-missing-docs-error";
       url = "https://github.com/google/json5format/commit/32914546e7088b3d9173ae9a2f307effa87917bf.patch";
       hash = "sha256-kAbRUL/FuhnxkC9Xo4J2bXt9nkMOLeJvgMmOoKnSxKc=";
     })
+    (fetchpatch {
+      # Skip rewriting unchanged files with --replace
+      # Unmerged upstream patch, ensures json5format is compatible with treefmt(-nix),
+      # which is quite popular in the Nix ecosystem.
+      name = "0002-skip-rewriting-unchanged-files";
+      url = "https://github.com/google/json5format/commit/7bb67ff03529f6f0350d72b7a36839f20fe9d190.patch";
+      hash = "sha256-ZY7Ck51/vHcRDQ5GEwOuMIF+QiYNGay3wbIvesmEl9k=";
+    })
   ];
 
   cargoHash = "sha256-1CSt9dPVHdOqfQXio7/eXiDLWt+iOe6Qj+VtWblwSDE=";