diff --git a/pkgs/development/tools/rust/cargo-bloat/cargo-lock.patch b/pkgs/development/tools/rust/cargo-bloat/cargo-lock.patch
deleted file mode 100644
index 006f996f43c2..000000000000
--- a/pkgs/development/tools/rust/cargo-bloat/cargo-lock.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-diff --git a/Cargo.lock b/Cargo.lock
-index 01d38a8..e74e735 100644
---- a/Cargo.lock
-+++ b/Cargo.lock
-@@ -1,3 +1,5 @@
-+# This file is automatically @generated by Cargo.
-+# It is not intended for manual editing.
- [[package]]
- name = "adler32"
- version = "1.0.3"
-@@ -41,7 +43,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
- 
- [[package]]
- name = "cargo-bloat"
--version = "0.6.2"
-+version = "0.6.3"
- dependencies = [
-  "goblin 0.0.22 (registry+https://github.com/rust-lang/crates.io-index)",
-  "memmap 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/pkgs/development/tools/rust/cargo-bloat/default.nix b/pkgs/development/tools/rust/cargo-bloat/default.nix
index 541c87a3ca83..56cc17bef171 100644
--- a/pkgs/development/tools/rust/cargo-bloat/default.nix
+++ b/pkgs/development/tools/rust/cargo-bloat/default.nix
@@ -2,16 +2,15 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-bloat";
-  version = "0.6.3";
+  version = "0.6.4";
 
   src = fetchFromGitHub {
     owner = "RazrFalcon";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0jpwaw8ryfvfw5ypjvli18wwv6l1r6dyz1msipdpy7nvw1qdw54h";
+    sha256 = "041n4kj8kym9hcjc32m4b7nxfqnmzlyy5gfzjblx4nbg151hy945";
   };
 
-  cargoPatches = [ ./cargo-lock.patch ];
   cargoSha256 = "1275jfzkpkzbwv927hdkv4zplmynwrm7sbirq18dwfss55cm7r7z";
 
   meta = with stdenv.lib; {