diff --git a/pkgs/c/capnpc/package.nix b/pkgs/c/capnpc/package.nix
index d9faccf..11e8158 100644
--- a/pkgs/c/capnpc/package.nix
+++ b/pkgs/c/capnpc/package.nix
@@ -13,8 +13,8 @@ stdenv.mkDerivation {
   src = fetchFromGitHub {
     owner = "shen390s";
     repo = "c-capnproto";
-    rev = "main";
-    sha256 = "sha256-QEy1CiXhBPWihvb3K8ZZDAME0OiXf62QHXQdypKfDRg=";
+    rev = "master";
+    sha256 = "sha256-U+yUYYvfhPjvADtHsjN5LvOUzFEXZrTmmpqfypf/4Ik=";
   };
 
   nativeBuildInputs = [
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
   '';
   
   configurePhase = ''
-      cmake --preset=ci-linux_x86_64 -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF -DCMAKE_INSTALL_PREFIX=$out
+      cmake --preset=ci-linux_x86_64 -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF
   '';
   
   buildPhase = ''
@@ -36,6 +36,11 @@ stdenv.mkDerivation {
   '';           
 
   installPhase = ''
-      cmake --install build
+     mkdir -p $out/bin
+     mkdir -p $out/include
+     mkdir -p $out/lib
+     cp build/capnpc-c $out/bin
+     cp build/libCapnC_Runtime.a $out/lib
+     cp lib/capnp_c.h $out/include
   '';
 }
diff --git a/pkgs/x/xbuild/package.nix b/pkgs/x/xbuild/package.nix
index 3e43709..215a70f 100644
--- a/pkgs/x/xbuild/package.nix
+++ b/pkgs/x/xbuild/package.nix
@@ -18,8 +18,8 @@ let
       owner = "shen390s";
       repo = "xbuild";
       rev = "master";
-      # sha256 =  "sha256-V4trb5RhJwdvSMHRafMNJ1h2oDfZ8zabA9Vm2CVJLdg=";
-      sha256 = "sha256-V4trb5RhJwdvSMHRafMNJ1h2oDfZ8zabA9Vm2CVJLdg=";
+      #    sha256 = "sha256-DLq7vC+4k2TMy5jKvQkFTy+xZmpvl0+DiWcd7CBVbgw=";
+      sha256 =  "sha256-QuTXftn0LxkSGq5lZFbnGKlTRxIqEsJrfKzT+aa8a5k=";
     };
 
     nativeBuildInputs = [ 
@@ -47,7 +47,6 @@ let
       pkgs.pkg-config
       pkgs.gnumake
       pkgs.gcc
-      pkgs.zig
       pkgs.coreutils
       pkgs.bash
       pkgs.strace
@@ -68,11 +67,6 @@ let
       pkgs.ncurses
       pkgs.capnproto
       pkgs.postgresql
-      pkgs.findutils
-      pkgs.which
-      pkgs.gnugrep
-      pkgs.gawk
-      pkgs.gnused
       capnpc
       cedro
     ];