diff --git a/pkgs/development/tools/rust/cargo-expand/default.nix b/pkgs/development/tools/rust/cargo-expand/default.nix
index 6112b01e79f4..5e699f9a7b06 100644
--- a/pkgs/development/tools/rust/cargo-expand/default.nix
+++ b/pkgs/development/tools/rust/cargo-expand/default.nix
@@ -1,30 +1,26 @@
 { lib
-, stdenv
 , rustPlatform
 , fetchFromGitHub
-, libiconv
 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-expand";
-  version = "1.0.37";
+  version = "1.0.38";
 
   src = fetchFromGitHub {
     owner = "dtolnay";
     repo = pname;
     rev = version;
-    sha256 = "sha256-BdaOtbZ+F1cgoZRmoQM/5Rzx4OUHmqSnsApeNfWz+J8=";
+    sha256 = "sha256-n7GDvniwkyCYiu7/qw0TQsVsTZfjcSpkF2Qo/uO60e4=";
   };
 
-  cargoHash = "sha256-2wD0QJFTW8cIv8S1JSgffBqlcPOVd151WuKlaZF+6aA=";
-
-  buildInputs = lib.optional stdenv.isDarwin libiconv;
+  cargoHash = "sha256-oA+8bceow7Cdao9FhkXkfFyrCpgvR4NJHddevbhUFkA=";
 
   meta = with lib; {
-    description =
-      "A utility and Cargo subcommand designed to let people expand macros in their Rust source code";
+    description = "A utility and Cargo subcommand designed to let people expand macros in their Rust source code";
     homepage = "https://github.com/dtolnay/cargo-expand";
+    changelog = "https://github.com/dtolnay/cargo-expand/releases/tag/${version}";
     license = with licenses; [ mit asl20 ];
-    maintainers = with maintainers; [ xrelkd ];
+    maintainers = with maintainers; [ figsoda xrelkd ];
   };
 }