diff --git a/pkgs/development/tools/rust/cargo-expand/default.nix b/pkgs/development/tools/rust/cargo-expand/default.nix
index 5e699f9a7b0..3798c766d20 100644
--- a/pkgs/development/tools/rust/cargo-expand/default.nix
+++ b/pkgs/development/tools/rust/cargo-expand/default.nix
@@ -5,16 +5,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-expand";
-  version = "1.0.38";
+  version = "1.0.39";
 
   src = fetchFromGitHub {
     owner = "dtolnay";
     repo = pname;
     rev = version;
-    sha256 = "sha256-n7GDvniwkyCYiu7/qw0TQsVsTZfjcSpkF2Qo/uO60e4=";
+    sha256 = "sha256-wJyCRg6qvkjjaFuFK6hTqt3u7ugFKAc9K4M/BojND6o=";
   };
 
-  cargoHash = "sha256-oA+8bceow7Cdao9FhkXkfFyrCpgvR4NJHddevbhUFkA=";
+  cargoHash = "sha256-n4fraxlMtkVNNmteVBoS6BlS0qE6bpFL/fKRp2pjxIs=";
 
   meta = with lib; {
     description = "A utility and Cargo subcommand designed to let people expand macros in their Rust source code";