diff --git a/flake.lock b/flake.lock
index 5e059e8..5e0f92b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -55,16 +55,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1728740863,
-        "narHash": "sha256-u+rxA79a0lyhG+u+oPBRtTDtzz8kvkc9a6SWSt9ekVc=",
+        "lastModified": 1733550349,
+        "narHash": "sha256-NcGumB4Lr6KSDq+nIqXtNA8QwAQKDSZT7N9OTGWbTrs=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a3f9ad65a0bf298ed5847629a57808b97e6e8077",
+        "rev": "e2605d0744c2417b09f8bf850dfca42fcf537d34",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-24.05",
+        "ref": "nixos-24.11",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -93,6 +93,7 @@
       },
       "original": {
         "owner": "snowfallorg",
+        "ref": "c6238c83de101729c5de3a29586ba166a9a65622",
         "repo": "lib",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 6e81666..dff30ce 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,10 +5,10 @@
   };
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
 
     snowfall-lib = {
-      url = "github:snowfallorg/lib";
+      url = "github:snowfallorg/lib?ref=c6238c83de101729c5de3a29586ba166a9a65622";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
diff --git a/packages/gramine/default.nix b/packages/gramine/default.nix
index 9fcb433..33a91cc 100644
--- a/packages/gramine/default.nix
+++ b/packages/gramine/default.nix
@@ -15,7 +15,9 @@
 , gawk
 , bison
 , patchelf
+, protobufc
 , which
+, python3Packages
 }:
 let
   python = pkgs.python3;
@@ -96,7 +98,7 @@ python.pkgs.buildPythonPackage {
     cmake
     pkg-config
     nixsgx.sgx-sdk
-    nixsgx.protobufc
+    protobufc
     nixsgx.sgx-dcap.dev
     nixsgx.sgx-dcap.quote_verify
     autoconf
@@ -107,9 +109,15 @@ python.pkgs.buildPythonPackage {
     perl
   ];
 
+
+  build-system = with python3Packages; [
+    setuptools
+    distutils
+  ];
+
   buildInputs = [
-    nixsgx.protobufc.dev
-    nixsgx.protobufc.lib
+    protobufc.dev
+    protobufc.lib
     bash
   ];
 
diff --git a/packages/protobufc/default.nix b/packages/protobufc/default.nix
deleted file mode 100644
index 94f96eb..0000000
--- a/packages/protobufc/default.nix
+++ /dev/null
@@ -1,38 +0,0 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, fetchpatch
-, autoreconfHook
-, pkg-config
-, protobuf
-, zlib
-, buildPackages
-}:
-
-stdenv.mkDerivation rec {
-  pname = "protobuf-c";
-  version = "1.5.0";
-
-  src = fetchFromGitHub {
-    owner = "protobuf-c";
-    repo = "protobuf-c";
-    rev = "refs/tags/v${version}";
-    hash = "sha256-Dkpcc7ZfvAIVY91trRiHuiRFcUGUbQxbheYKTBcq80I=";
-  };
-
-  outputs = [ "out" "dev" "lib" ];
-
-  nativeBuildInputs = [ autoreconfHook pkg-config ];
-
-  buildInputs = [ protobuf zlib ];
-
-  PROTOC = lib.getExe buildPackages.protobuf;
-
-  meta = with lib; {
-    homepage = "https://github.com/protobuf-c/protobuf-c/";
-    description = "C bindings for Google's Protocol Buffers";
-    license = licenses.bsd2;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ nickcao ];
-  };
-}