diff --git a/pkgs/tools/text/coloursum/default.nix b/pkgs/tools/text/coloursum/default.nix
index 8391b75a67bc..93ebf6c309e4 100644
--- a/pkgs/tools/text/coloursum/default.nix
+++ b/pkgs/tools/text/coloursum/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "coloursum";
-  version = "0.2.0";
+  version = "0.3.0";
 
   src = fetchFromGitHub {
     owner = "ticky";
     repo = "coloursum";
     rev = "v${version}";
-    sha256 = "1piz0l7qdcvjzfykm6rzqc8s1daxp3cj3923v9cmm41bc2v0p5q0";
+    hash = "sha256-zA2JhSnlFccSY01WMGsgF4AmrF/3BRUCcSMfoEbEPgA=";
   };
 
-  cargoSha256 = "08l01ivmln9gwabwa1p0gk454qyxlcpnlxx840vys476f4pw7vvf";
+  cargoHash = "sha256-dhcTpff4h37MHNbLoYUZiolSclSGcFrMJ3kKLCZAVAw=";
 
   buildInputs = lib.optional stdenv.isDarwin Security;