diff --git a/pkgs/development/tools/treefmt/default.nix b/pkgs/development/tools/treefmt/default.nix
index 174f2273edf..bd297154cc3 100644
--- a/pkgs/development/tools/treefmt/default.nix
+++ b/pkgs/development/tools/treefmt/default.nix
@@ -1,16 +1,16 @@
 { lib, rustPlatform, fetchFromGitHub }:
 rustPlatform.buildRustPackage rec {
   pname = "treefmt";
-  version = "0.2.6";
+  version = "0.3.0";
 
   src = fetchFromGitHub {
     owner = "numtide";
     repo = "treefmt";
     rev = "v${version}";
-    sha256 = "sha256-hnrMy8iYoaeWxZlhO9L1kQW3OgL6jHL1MxJpbNFLHZk=";
+    sha256 = "sha256-PTT87Na4KpyN6a7T49vHHhSqSOF6JSWr5/jiys1Uzko=";
   };
 
-  cargoSha256 = "sha256-O7Ma6+Vniil5hIDd5JCWecTvkAjq7wMuuyfrzePDDq4=";
+  cargoSha256 = "sha256-Gvr6Zjd9Gvn2CyjNHlJaKPFYUViPezRwoDBeVelRlkU=";
 
   meta = {
     description = "one CLI to format the code tree";