diff --git a/pkgs/development/tools/millet/default.nix b/pkgs/development/tools/millet/default.nix
index dca9df4dc273..7d95607b6188 100644
--- a/pkgs/development/tools/millet/default.nix
+++ b/pkgs/development/tools/millet/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "millet";
-  version = "0.1.14";
+  version = "0.2.5";
 
   src = fetchFromGitHub {
     owner = "azdavis";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-Kz2CwfntAUI33igYJBJQKPAmoW895toe/wS9dGnFB64=";
+    sha256 = "sha256-HnVvq6Tb0yDvoa0KxZHZG0Tm0CWYWsn9unj0v0zYuTw=";
   };
 
-  cargoSha256 = "sha256-Rrnt6VEp7jDGLSsDcHuPfKhkm4USstxi/OW5oOVrgqY=";
+  cargoSha256 = "sha256-cbp4eAcqKuUKKqmlS2Azo5NRHDy+F4LNwcrwbFj+Z5g=";
 
   nativeBuildInputs = [
     # Required for `syntax-gen` crate https://github.com/azdavis/language-util/blob/8ec2dc509c88951102ad3e751820443059a363af/crates/syntax-gen/src/util.rs#L37