diff --git a/pkgs/development/tools/argc/default.nix b/pkgs/development/tools/argc/default.nix
index e6b83c575a13..5007428ab463 100644
--- a/pkgs/development/tools/argc/default.nix
+++ b/pkgs/development/tools/argc/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "argc";
-  version = "0.11.0";
+  version = "0.12.0";
 
   src = fetchFromGitHub {
     owner = "sigoden";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1gzsp08x54bsvzjm09cr1lgdr5mq1gzs36x2fjd710ixwcf9fcb6";
+    sha256 = "sha256-Y6qXxnjep9AF3aAW6EZNx4dghMH3BSw8ExpNhTVH1QI=";
   };
 
-  cargoSha256 = "sha256-LIQ/j4NMYwrwBQkEYlrqRobrfkPERwtWZqT8pwSoICA=";
+  cargoSha256 = "sha256-Wr+sUtxxdmY6l+sMAcQGR3Zmqvj8qybC74o9ipkwTMk=";
 
   nativeBuildInputs = [ installShellFiles ];