diff --git a/flake.nix b/flake.nix
index 3ad177a03..dc709d245 100644
--- a/flake.nix
+++ b/flake.nix
@@ -214,7 +214,7 @@
               cargoDeps = rustPlatform.fetchCargoTarball {
                 name = "artiq-firmware-cargo-deps";
                 src = "${self}/artiq/firmware";
-                sha256 = "sha256-ugTT1Vp/87rzAaZzFMMKadAM4UxBfXOwCEtrF6wU7Kc=";
+                sha256 = "0hh9x34gs81a8g15abka6a0z1wlankra13rbap5j7ba2r8cz4962";
               };
               nativeBuildInputs = [
                 (pkgs.python3.withPackages(ps: [ migen misoc artiq ]))