diff --git a/pkgs/os-specific/linux/firmware/system76-firmware/default.nix b/pkgs/os-specific/linux/firmware/system76-firmware/default.nix
index a019a6f79321..9e3a8209a4d7 100644
--- a/pkgs/os-specific/linux/firmware/system76-firmware/default.nix
+++ b/pkgs/os-specific/linux/firmware/system76-firmware/default.nix
@@ -2,13 +2,13 @@
 rustPlatform.buildRustPackage rec {
   pname = "system76-firmware";
   # Check Makefile when updating, make sure postInstall matches make install
-  version = "1.0.39";
+  version = "1.0.42";
 
   src = fetchFromGitHub {
     owner = "pop-os";
     repo = pname;
     rev = version;
-    sha256 = "sha256-nPHBL73hmvW9z5SQjmfu+ozMXxUEajNQxNtE/V9QwZ0=";
+    sha256 = "sha256-8raRfmNAvgxBVsFeOu/XPs5YU1wPpRBo3Cog/UpE5/o=";
   };
 
   nativeBuildInputs = [ pkg-config makeWrapper ];
@@ -17,7 +17,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoBuildFlags = [ "--workspace" ];
 
-  cargoSha256 = "sha256-BrzicLj7FbUqRG1BgQIRqh801tRQpRZkHSiX3ekAYqc=";
+  cargoSha256 = "sha256-aKyLAISZlQz5e8MvOoydAZ4bwCEZ1K3FldyoG6R9FJU=";
 
   # Purposefully don't install systemd unit file, that's for NixOS
   postInstall = ''