diff --git a/packages/linux_rpi4_rt_6_1/default.nix b/packages/linux_rpi4_rt_6_1/default.nix
index 4185c96..5b1f140 100644
--- a/packages/linux_rpi4_rt_6_1/default.nix
+++ b/packages/linux_rpi4_rt_6_1/default.nix
@@ -34,7 +34,7 @@
       owner = "raspberrypi";
       repo = "firmware";
       rev = "6b37a457122714aa14b2c7df0926455173fd04f1";
-      sha256 = "cKIh4BcK2hf/iaql2hF9QAgC90HSmGijnEY8GEOLDUY=";
+      sha256 = "E2W3ft2bSi4/qM0TujEUXT0kwpWIxUa9NeEmEyFo4Ow=";
     };
   });
 }