diff --git a/pkgs/tools/text/coloursum/default.nix b/pkgs/tools/text/coloursum/default.nix
index 27e349c9d93..f38ada46c11 100644
--- a/pkgs/tools/text/coloursum/default.nix
+++ b/pkgs/tools/text/coloursum/default.nix
@@ -11,10 +11,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "1piz0l7qdcvjzfykm6rzqc8s1daxp3cj3923v9cmm41bc2v0p5q0";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "091flc5ymx0y43ld6bdmig5cy479b90bkmwv3yaysi5kpr28skvh";
+  cargoSha256 = "1w0q5w0bf1682jvzcml8cgmr9mrgi4if0p63wzchyjav330dp6pk";
 
   buildInputs = stdenv.lib.optional stdenv.isDarwin Security;