diff --git a/pkgs/os-specific/darwin/apple-source-releases/copyfile/meson.build.in b/pkgs/os-specific/darwin/apple-source-releases/copyfile/meson.build.in
index d0e612d986f4..79ea8d5bf7ce 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/copyfile/meson.build.in
+++ b/pkgs/os-specific/darwin/apple-source-releases/copyfile/meson.build.in
@@ -14,6 +14,8 @@ library(
     'copyfile',
     c_args : [
         '-D__DARWIN_NOW_CANCELABLE=1',
+        # https://github.com/apple-oss-distributions/xnu/blob/94d3b452840153a99b38a3a9659680b2a006908e/bsd/sys/clonefile.h#L35
+        '-DCLONE_ACL=0x0004',
         # https://github.com/apple-oss-distributions/xnu/blob/94d3b452840153a99b38a3a9659680b2a006908e/bsd/sys/kdebug.h#L691
         '-DDBG_DECMP=0x12',
         # https://github.com/apple-oss-distributions/xnu/blob/94d3b452840153a99b38a3a9659680b2a006908e/libkern/os/base.h#L129
diff --git a/pkgs/os-specific/darwin/apple-source-releases/copyfile/package.nix b/pkgs/os-specific/darwin/apple-source-releases/copyfile/package.nix
index 8b47ecd3b6c0..29b41f60b054 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/copyfile/package.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/copyfile/package.nix
@@ -73,7 +73,7 @@ mkAppleDerivation {
     "man"
   ];
 
-  xcodeHash = "sha256-RClwLwWuieJzKJl1YRCrGBxPgWy0MDwFwN1VZ4GBxGY=";
+  xcodeHash = "sha256-SYW6pBlCQkcbkBqCq+W/mDYZZ7/co2HlPZwXzgh/LnI=";
 
   postPatch = ''
     # Disable experimental bounds safety stuff that’s not available in LLVM 16.
@@ -82,6 +82,10 @@ mkAppleDerivation {
         --replace-fail '__ptrcheck_abi_assume_single()' "" \
         --replace-fail '__unsafe_indexable' ""
     done
+
+    # clang 16 does not support C23 empty initializers. This can be removed once the bootstrap tools are updated.
+    substituteInPlace copyfile.c \
+      --replace-fail 'filesec_t fsec_tmp = {};' 'filesec_t fsec_tmp = {0};'
   '';
 
   env.NIX_CFLAGS_COMPILE = "-I${privateHeaders}/include";
diff --git a/pkgs/os-specific/darwin/apple-source-releases/versions.json b/pkgs/os-specific/darwin/apple-source-releases/versions.json
index e9b1d5d3817b..be9b0fa4744d 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/versions.json
+++ b/pkgs/os-specific/darwin/apple-source-releases/versions.json
@@ -28,8 +28,8 @@
     "version": "136"
   },
   "copyfile": {
-    "hash": "sha256-uHqLFOIpXK+n0RHyOZzVsP2DDZcFDivKCnqHBaXvHns=",
-    "version": "138"
+    "hash": "sha256-lIhl5sr1gewIHkh10hD+H/I7MVPzlHlONGRMOO7OZuA=",
+    "version": "213"
   },
   "developer_cmds": {
     "hash": "sha256-h0wMVlS6QdRvKOVJ74W9ziHYGApjvnk77AIR6ukYBRo=",