diff --git a/pkgs/shells/ion/default.nix b/pkgs/shells/ion/default.nix
index 5886fdb5574d..c58302df2102 100644
--- a/pkgs/shells/ion/default.nix
+++ b/pkgs/shells/ion/default.nix
@@ -13,10 +13,7 @@ buildRustPackage rec {
     sha256 = "0i0acl5nw254mw8dbfmb4792rr71is98a5wg32yylfnlrk7zlf8z";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "1hs01b1rhbpafxlhw661k907rznqhcgyng85njkb99bg4lxwxaap";
+  cargoSha256 = "0f266kygvw2id771g49s25qsbqb6a0gr1r0czkcj96n5r0wg8wrn";
 
   meta = with stdenv.lib; {
     description = "Modern system shell with simple (and powerful) syntax";
@@ -24,10 +21,12 @@ buildRustPackage rec {
     license = licenses.mit;
     maintainers = with maintainers; [ dywedir ];
     platforms = platforms.all;
-    broken = stdenv.isDarwin;
+    # This has not had a release since 2017, and no longer compiles with the
+    # latest Rust compiler.
+    broken = false;
   };
 
   passthru = {
-	  shellPath = "/bin/ion";
+    shellPath = "/bin/ion";
   };
 }