diff --git a/pkgs/by-name/buffybox/package.nix b/pkgs/by-name/buffybox/package.nix
index 414d9660c..4f16945c2 100644
--- a/pkgs/by-name/buffybox/package.nix
+++ b/pkgs/by-name/buffybox/package.nix
@@ -20,7 +20,6 @@ stdenv.mkDerivation (finalAttrs: {
   # TODO: upstream my changes:
   # - cross compilation fix
   # - sleep instead of poll (CPU reduction)
-  #   - however, this doesn't reduce CPU *enough*. it's still 10% at idle on lappy.
 
   # src = fetchFromGitLab {
   #   domain = "gitlab.com";
@@ -35,9 +34,9 @@ stdenv.mkDerivation (finalAttrs: {
     domain = "git.uninsane.org";
     owner = "colin";
     repo = "buffybox";
-    rev = "671626a565755bdaa2d2abfef17fe263d56bfdc7";
     fetchSubmodules = true; # to use its vendored lvgl
-    hash = "sha256-jv2cwnR3BVGOERmG39LXhf9ikgOhbil+y/nNqt/zPHw=";
+    rev = "575341a22bf6bfbdedbe5b75fe7845b642fadda9";
+    hash = "sha256-EkXYNbdVMTqHcrsPqFnF8SEwN4UKzPOdQecLcZdBi1s=";
   };
 
   depsBuildBuild = [