diff --git a/pkgs/applications/version-management/sit/default.nix b/pkgs/applications/version-management/sit/default.nix
index 0a1f4c72da6..aa2cdfab82a 100644
--- a/pkgs/applications/version-management/sit/default.nix
+++ b/pkgs/applications/version-management/sit/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, rustPlatform, cmake, libzip, gnupg, 
+{ stdenv, fetchFromGitHub, rustPlatform, cmake, libzip, gnupg,
   # Darwin
   libiconv, CoreFoundation, Security }:
 
@@ -20,10 +20,7 @@ rustPlatform.buildRustPackage rec {
     export HOME=$(mktemp -d)
   '';
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "0kijx7s7zh6yisrsjz213h9x5jx43ixr44vy5rb3wwbn9dgsr528";
+  cargoSha256 = "092yfpr2svp1qy7xis1q0sdkbsjmmswmdwb0rklrc0yhydcsghp9";
 
   meta = with stdenv.lib; {
     description = "Serverless Information Tracker";
@@ -31,5 +28,8 @@ rustPlatform.buildRustPackage rec {
     license = with licenses; [ asl20 /* or */ mit ];
     maintainers = with maintainers; [ dywedir yrashk ];
     platforms = platforms.all;
+    # Upstream has not had a release in several years, and dependencies no
+    # longer compile with the latest Rust compiler.
+    broken = true;
   };
 }