diff --git a/pkgs/development/tools/rust/cargo-expand/default.nix b/pkgs/development/tools/rust/cargo-expand/default.nix
index 88fd212dad2e..3e2128ff0850 100644
--- a/pkgs/development/tools/rust/cargo-expand/default.nix
+++ b/pkgs/development/tools/rust/cargo-expand/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-expand";
-  version = "0.4.11";
+  version = "0.4.12";
 
   src = fetchFromGitHub {
     owner = "dtolnay";
     repo = pname;
     rev = version;
-    sha256 = "051hy2320mqdxvafhafwnk1n8q2sq2d7jyhx5bbxvqmjjm55lg8h";
+    sha256 = "0m57v7mh7wdl0rdbad7vkvcgy93p9gcb971wap8i5nzjvzmp4wlb";
   };
 
-  cargoSha256 = "0d1j01nrq5j0yrgd85lnvg1mzalcd8xadkza3yvwnqzf554idrcy";
+  cargoSha256 = "1wvqxj2w02d6zhyw3z5v0w4bfmbmldh63ygmvfxa3ngfb36gcacz";
 
   meta = with stdenv.lib; {
     description = "A utility and Cargo subcommand designed to let people expand macros in their Rust source code";